Tuesday

May 24, 2016
Number of results: 105,151

**Trigonometry**

Point P is located at the intersection of the unit circle and the terminal side of angle theta in standard position. Find the coordinates of P to the nearest thousandth.
*September 17, 2012 by Spencer*

**trig**

Let be an angle in standard position and the point (a, b) be the point of intersection of the terminal side of with the unit circle. State the unit circle definitions of the six trigonometric functions. cos = sec = sin = csc = tan = cot =
*August 13, 2012 by Anonymous*

**trig**

I have no idea how to solve this problem. <A is in standard position on a unit circle. Point P (-1/2, -√3/2) is the point of intersection of its terminal side with the unit circle. Find the measure of <A in radians.
*June 10, 2009 by Matt*

**trig**

Point P is located at the intersection of a circle with a radius of r and the terminal side of an angle q. Find the coordinates of p to the nearest hundreth. q = -60° , r = 7
*October 12, 2009 by kt*

**Geometry**

Please Someone Help!!! Find the coordinates of a point on the unit circle corresponding to a 36 degree angle rotation. Find the coordinates of a point on the unit circle corresponding to a 115 degree angle of rotation. Find all angles between 0 degrees and 360 degrees with a ...
*May 10, 2010 by MEGGG!!!*

**Maths**

In an orthonormal system, you're given the following: Point P(1,2) Lina a=cartesian eqn:4x-3y+6=0 Line b=parametric eqns:x=-5+3& y=-& (real n°) Circle z=cartesian eqn:x²+y²-2x-3=0 (a)Calculate the angle between lines a an b (b)Calculate the coordinates of the point of ...
*May 4, 2008 by Anonymous*

**Mathematics**

In an orthonormal system, you're given the following: Point P(1,2) Lina a=cartesian eqn:4x-3y+6=0 Line b=parametric eqns:x=-5+3& y=-& (real n°) Circle z=cartesian eqn:x²+y²-2x-3=0 (a)Calculate the angle between lines a an b (b)Calculate the coordinates of the point of ...
*May 18, 2008 by Anonymous*

**Precalculus**

The figure shows part of a curve traced by a point on the circumference of a circle of radius 4 that rotates, without slipping, around a fixed circle of radius 2. The rotating circle starts with angle t = 0 radians and the point P (x, y) at (10, 0). In this problem you will ...
*January 20, 2012 by Anon*

**Math**

Find the point of intersection between y=2-(1/2)x and y=1+ax. (a=alpha sign). You answer will be a point in the xy plane whose coordinates involve the unknown a . I got that which is x=2/(2a+1), y=(1+2a)/(2a+1) <-intersection point I need help is to: Find a (a=alpha sign) ...
*October 9, 2009 by SC*

**Unit Circle**

How do I find tan(-pi/4) from the unit circle? Thanks. Go 45 degrees clockwise or reverse of the circle, it should be at 315 degrees.
*February 26, 2007 by Jen*

**maths - geometry**

In a space with an orthonormal coordinate system consider the plane; &: 4x-3y=12 (a)(i)Find the coordinates of the points of intersection of the plane & with the coordinates axes (=axes intersections???) (ii)Find the parametric equations for the line of intersection of the ...
*April 28, 2010 by Anonymous*

**Math**

I have a series of questions that I did. They lead up to the last question I can't solve. Could you check my math and help me with the last question? Thanks! a) Let a be the point (2,3). Compute the distance from Origin 0 to A answer: a^2 + b^2 = c^2 3^2 + 2^2 = c^2 c=sqrt(13...
*October 14, 2010 by Shane*

**Math**

Examine the diagram. A piston rod, PQ, is connected to a wheel at P and to a piston at Q. As P moves around the wheel in a counterclockwise direction, Q slides back and forth. there's a unit circle. origin to intersection at (1,0) is point P. Extending beyond the edges of the ...
*November 13, 2015 by Kenny*

**Calculus**

A circle C has center at the origin and radius 9. Another circle K has a diameter with one end at the origin and the other end at the point (0,17). The circles C and K intersect in two points. Let P be the point of intersection of C and K which lies in the first quadrant. Let...
*February 5, 2010 by Salman*

**Calculus**

A circle C has center at the origin and radius 9. Another circle K has a diameter with one end at the origin and the other end at the point (0,17). The circles C and K intersect in two points. Let P be the point of intersection of C and K which lies in the first quadrant. Let...
*February 5, 2010 by Salman*

**Math**

A circle C has center at the origin and radius 9. Another circle K has a diameter with one end at the origin and the other end at the point (0,17). The circles C and K intersect in two points. Let P be the point of intersection of C and K which lies in the first quadrant. Let...
*February 5, 2010 by Salman*

**Maths**

A circle C has center at the origin and radius 9. Another circle K has a diameter with one end at the origin and the other end at the point (0,17). The circles C and K intersect in two points. Let P be the point of intersection of C and K which lies in the first quadrant. Let...
*February 5, 2010 by Salman*

**Trigonometry**

1) Find the coordinates of the point (-1,3) after the transformation T (to the -3,2 power) 2) What are the coordinates of point (-3,4) under D (to the 3rd power)? 3) Which of the following transformations could map the point (1,2) onto the point (3,6)? a)T (to the 2,3 power) b...
*February 24, 2010 by Tyler*

**geometry**

For "circle"(O,r) , AP is the tangent at "A belongs to circle", from an exterior point P. Now, OP "intersection" circle = {B}. If BP = 1.6 = AB/5 , Then find diameter of the circle.
*January 21, 2010 by parnas*

**Geometry midpoint formula**

A circle on the Coordinate plane has a diameter with endpoints at (6,8) and (15,8). What are the coordinates of the center of the circle? What is the radius of the circle? Identify the coordinates of another point on the circle. Explain how you found your answer.
*January 28, 2015 by Marianna*

**maths**

the circle is given by the equation x^2+y^2+8x-7/2y=0 find (i)coordinates of the centre and the radius (ii)coordinates of the point where the circle crossesthe x-axis
*March 23, 2012 by mwaba*

**trig**

find the coordinates of the terminal point on the unit circle determined by t=9pt/7 to two decimal places
*November 13, 2011 by Kristin*

**Geometry**

The points A,B,C,D have coordinates (3,3) (8,0) (-1,1) (-6,4) respectively. Find the coordinates of the point of intersection of the diagonals AC and BD? Help plZ!!!
*January 30, 2013 by Sal*

**calc**

standard equation of circle concentric with X^2+Y^2-2X-8Y+1=0 and tangent to line 2X-Y=3 Complete the squares to find the center of the circle. X^2+Y^2-2X-8Y+1=0 (x-1)^2+(y-4)^2 - 16 =0 The center is (1,4) and the radius for the given circle is 4. Now find the distance from (1...
*September 26, 2006 by Melba*

**math**

On the unit circle the coordinates of P(theta) are (0.588, 0.809). Find the coordinates of P(2theta). Please help.
*January 11, 2011 by Jack*

**precal**

can anyone help me with this question. Let P be the point on the unit circle U that corresponds to t. Find the coordinates of P and the exact values of the trig functions of t, whenever possible. (a) -pi (b) 6pi
*September 23, 2009 by latrice*

**physics**

A roller-coaster car of mass 1.80 103 kg is initially at the top of a rise at point circle a. It then moves 40.8 m at an angle of 50.0° below the horizontal to a lower point circle b. (a) Find both the potential energy of the system when the car is at points circle a and ...
*March 4, 2014 by sarah*

**Math**

1. In the xy-plane, a circle has its center at the point with coordinates (4,3), and the origin lies on the circle. The point with which of the following coordinates also lies on the circle? A. (-4,-3) B. (3,4) C. (6,8) D. (7,7) E. (9,8) How do you do this?
*March 22, 2015 by Winnie*

**Math**

Circle C has radius 4 inches. Circle D had radius 9 inches. These two circles are connected. Point A,B,and E are points of tangency. Find AB. From point C to point D(which is the radius of circle C plus the raduis of circle D) it is 13 inches. From point C to point A (radius ...
*April 29, 2011 by Greg*

**Geometry**

line segment ab is the diameter of circle O whose center has coordinates (6,8) . what are the coordinates of point b if the coordinates of point a are (4,2)
*February 28, 2013 by C*

**Geometry**

line segment ab is the diameter of circle O whose center has coordinates (6,8) . what are the coordinates of point b if the coordinates of point a are (4,2)
*February 28, 2013 by C*

**Calculus please help !**

Find the coordinates of the center of the ellipse represented by 4x^2 + 9y^2 – 18y – 27 = 0. For 2x^2 + xy + 2y^2 = 1, find , the angle of rotation about the origin, to the nearest degree. Find the distance between points at (–1, 6) and (5, –2). Identify the conic section ...
*April 12, 2013 by Becca*

**Pre-calculus HELP PLEASE !**

Find the coordinates of the center of the ellipse represented by 4x^2 + 9y^2 – 18y – 27 = 0. For 2x^2 + xy + 2y^2 = 1, find , the angle of rotation about the origin, to the nearest degree. Find the distance between points at (–1, 6) and (5, –2). Identify the conic section ...
*April 12, 2013 by Becca*

**Calculus (trig stuff)**

given a angle how do I find it's point P on the unit circle?
*October 27, 2009 by Calculus (trig stuff)*

**Coordinate Geometry**

Please help!!!!! The points A,B,C,D have coordinates (3,3), (8,0), (-1,1), (-6,4) respectively. a) Find the gradients of the lines AB and CD b) Show that ABCD is a parallelogram c) Find the coordinates of the point of intersection of the diagnols AC and BD. Please help me by ...
*December 19, 2012 by Jitesh*

**math**

a. the line y=7x cuts the circle x^2+y^2=50 at A and B. find the coordinates of A and B. b. show that C(5;5) lies on the circle. c. show that ACB angle C=90degrees. what can you deduce about AB? d.find the equation of the tangent to the circle at C
*May 5, 2015 by Anonymous*

**trig**

Let P be the point on the unit circle U that corresponds to t. Find the coordinates of P and the exact values of the trigonometric functions of t whenever possible. 2pi 3pi/4 5pi/6 Three questions. I think those are supposed to be t.
*February 26, 2012 by Carter*

**geometry**

Draw the unit circle and a first-quadrant ray from the origin that makes an angle è with the positive x-axis. Let B be the point on this ray whose x-coordinate is 1, and let A = (1, 0). Segment AB is tangent to the circle. In terms of è, find its length.
*April 12, 2010 by yadlay*

**Math**

How do you find the point of intersection(s) for x = 2y2 + 3y + 1 and 2x + 3y2 = 0 A) You cannot find points of intersections for non-functions. B) Plug in 0 for x into both equations and solve for y. Then plug that answer back into the other equation to find the corresponding...
*February 12, 2016 by Andrew*

**Geometry**

1) find the coordinate of the image of point (1,2) translated left 2 units and reflected over the x -axis 2) Find the coordinate of the image of the point (2, -4) reflected over the x-axis 3) Determine the midpoint of the segment whose endpoints are A(7, 3, -4) and B(-3, 1, 0...
*July 20, 2012 by Bread*

**trigonometry**

how do i determine the point of intersection of a circle with a radius of 14 and the line coming in at a 35 degree angle
*June 6, 2013 by james*

**calculus**

Conic sections A circle passes through points A(-5,2), B(-3,-4) and C(1,8). Find the coordinate of the point of intersection of the perpendicular bisectors of AB and BC. What is the equation of the circle?
*June 28, 2008 by Kelly*

**college algrebra**

Find the coordinates of the point of intersection of the graphs of y = x and y = 6
*May 4, 2011 by Ms. Jackson*

**math**

Find the coordinates of the point of intersection of the plane 2x+y-3z+6=0 on the y-axis
*March 5, 2013 by tapz*

**physics**

An object, after being released from its circular path, travels the distance OA in the same time it would have moved from O to P on the circle. The speed of the object on and off the circle remains constant at the same value. Suppose that the radius of the circle in Figure 5.4...
*February 21, 2007 by Mary*

**Math**

How do you find the point of intersection(s) for x = 2y2 + 3y + 1 and 2x + 3y2 = 0 A) You cannot find points of intersections for non-functions. B) Plug in 0 for x into both equations and solve for y. Then plug that answer back into the other equation to find the corresponding...
*February 9, 2016 by Asia Powell*

**Math**

Hello, can anyone help me with this one question? What are the two solutions of x^2 – 2x – 4 = –3x + 9? A. the y-coordinates of the y-intercepts of the graphs of y = x^2 – 2x – 4 and y = –3x + 9 B. the x-coordinates of the x-intercepts of the graphs of y = x^2 – 2x – 4 and y...
*January 20, 2016 by Brady*

**maths**

the equation of the circle is x^2+y^2+2x-8y-1=0. Find the coordinates of the point where the circle crosses the x-axis
*March 30, 2012 by mumba*

**trig**

Sketch a unit circle and label the terminal points corresponding to t= pi/4, 3pi/4, 5pi/4, 7pi/4. Include the coordinates of each point
*January 27, 2012 by BreAnne*

**geometry**

Draw the unit circle and a first-quadrant ray from the origin that makes an angle theta with the positive x-axis. Let B be the point on this ray whose x-coordinate is 1, and let A = (1, 0). Segment AB is tangent to the circle. In terms of theta, find its length.
*April 13, 2010 by yadlay*

**Pre Cal**

Let P be the point on the unit circle U that corresponds to t. Find the coordinates of P and the exact values of the trigonometric functions of t, whenever possible. (If there is no solution, enter NO SOLUTION.) 4ð = ( , ) sin(4ð) = cos(4ð) = tan(4ð) = cot(4ð) = sec(4ð) = csc(...
*February 9, 2010 by Karmen*

**math**

1. A(-3;4) is a point on a circle with centre at the origin. a.determine the coordinates of B, if AB is a diameter. b. Show that point C(0;5) lies on this circle. c.show that ACB has a magnitude of 90degrees. 2.a.ddetermine the equation of the circle with AC as diameter, if A ...
*May 4, 2015 by Anonymous*

**Pre Cal**

Let P be the point on the unit circle U that corresponds to t. Find the coordinates of P and the exact values of the trigonometric functions of t, whenever possible. (If there is no solution, enter NO SOLUTION.) 9pi/4 Looking for sin, cos, tan,cot, csc, and sec
*February 10, 2010 by Karmen*

**Calc**

Consider a circle of radius 2 and a point P rotating around it. The angle θ, in radians, is given as a function of time t. (a) What is the value of θ when t=1.5? (b) Find the coordinates of P when t=1.5
*January 15, 2011 by Stephanie*

**geometry **

Point M is the midpoint of AC. Find its coordinates. (1 point)(b + c, d) (a + c, d) (2c + 2c, d) (2b + c, d) 2. Point N is the midpoint of BC. Find its coordinates. (1 point)(b + c, d) (a + c, d) (2a + c, d) What theorem do Exercises 1-4 prove? (1 point)Triangle Inequality ...
*December 15, 2011 by brooklynn*

**Physics**

A 1200-kg roller coaster car is initially at the top of a rise, at point circle a. It then moves 145 ft, at an angle of 40.0° below the horizontal, to a lower point circle b. (a) Choose the car at point circle b to be the zero configuration for gravitational potential energy ...
*October 29, 2011 by Anonymous*

**geometry**

Circle O is defined by the equation x2 + (y - 2)2 = 25. Plot the center of Circle O and type in the coordinates of one point with integral values that lies on Circle O.
*August 5, 2012 by sara*

**math**

if the point (3/5,4/5) corresponds to an angle È in the unit circle, what is tan È?
*December 6, 2013 by matt*

**Math-Linear Systems**

Determine the point of intersection. (a) y = 4x + 6 y = -x + 1 (b) 2x + 5y = 10 x = 10 Please show how to get the point of intersection. thoroughly explain how to get point of intersection.
*June 14, 2009 by Sideshow*

**math**

There is a square whose vertices lie on a unit circle. Point P lies on the terminal arm of an angle in standard position, P(0.3420, 0.9397) how do you find the degrees of P?
*December 16, 2008 by s*

**Math**

Find the point of intersection between y=2-(1/2)x and y=1+ax. (a=alpha sign). You answer will be a point in the xy plane whose coordinates involve the unknown a . My work so far: I set the two equations equal to each other because they intersect. 1+ax=2-(1/2)x and I got, (-1...
*October 8, 2009 by SC*

**Vectors**

I am really lost and confused! Consider the lines r = (1,-1,1) + t(3,2,1) and r = (-2,-3,0) + u(1,2,3). a) Find their point of intersection. b) Find a vector equation for the line perpendicular to both of the given lines that passes through their point of intersection. For a I...
*April 7, 2008 by Alex*

**Math**

Check my answers please? There are only 10 The figure below shows a triangle with vertices A and B on a circle and vertex C outside it. Side AC is tangent to the circle. Side BC is a secant intersecting the circle at point X: The figure shows a circle with points A and B on it...
*May 22, 2016 by Caitlin*

**trig question**

On a unit circle, sin x = square root 3 over 2, with center O. Vertical line from top to center of circle is PO. Horizontal line from middle to right of circle is OE. Another vertical line of AB is parallel to PO. And radius of circle (line from O to A) is 1 unit. From A to E ...
*April 28, 2012 by Anonymous*

**math**

The line y=9x-4 intersects the quadratic function y=x^2+7x at one point. What are the coordinates of the point of intersection?
*January 14, 2015 by Alex*

**Math**

Find the intersection point. 3x+2y = 3 2x+10y = -5 I put them into y=mx+b form and got y=-3/2 + 3/2 y=1/5x - 1/2 I can't seem to find the intersection point by graphing it either, since it won't be accurate.
*September 8, 2012 by Vanessa*

**Anonymous**

Give the exact intersection point for the equations f(x)=4sin^2x+7sinx+6 and g(x)=2cos^2x-4sinx+11 Ok, my result is that there is no intersection point because if you put f(x)=g(x) and try to solve for x or the intersection point, the LS f(x) is not possible, so there is none...
*May 8, 2009 by trig*

**Calculus**

Consider a circle of radius 5 and a point P rotating around it, as shown in the figure to the left, below. The angle(theta) , in radians, is given as a function of time t, by the graph in the second figure. What is the value of when t=0.5? Find the coordinates of P when t=0.5
*February 1, 2011 by Sachenka*

**pre cal**

If (a, b) is a point on the unit circle that corresponds to the angle t, then tan(t) equals:
*February 17, 2013 by bri*

**math**

if p has coordinates (x, y) and is located on the unit circle, what is the highest value that the x-coordinate can take? Hence, what is the largest value that the cosine of an angle can take?
*May 24, 2008 by kim*

**Geometry**

if a circle passes through the point of intersection of the co-ordinate axes with the lines kx-y+1=0 and x-2y+3=0. find k.
*January 17, 2015 by Shanu*

**Polar coordinates**

I need some help on this Calculus question about polar coordinates. Consider a pasture bordering on a straight river. At 2m from the river, a goat is tied to a pole with a 4m long rope. What is the area of grass that the goat can graze? There are a couple ways to set this up, ...
*September 26, 2006 by Rain*

**Calculus**

P (-V3/2, -1/2 and Q(1/2, V3/2 are two points on the unit circle. If an object rotates counterclockwise from point P to point Q, what angle has it rotated? 180 + 60 = 330 P 60 Q I got like 300, but its supposed to be 210 degrees:\
*October 24, 2011 by -Untamed-*

**trig question**

NEW DIAGRAM: On a unit circle, sin x = square root 3 over 2, with center O. Vertical line from top to center of circle is PO. Horizontal line from middle to right of circle is OE. Another vertical line of AB is parallel to PO. And radius of circle (line from O to A) is 1 unit...
*April 28, 2012 by Anonymous*

**maths-urgently needed**

In right angled triangle ABC angle B=90 degree and AB= root 34 unit. The coordinates of point B and Care (4,2)and (-1,y) respectively. If area of triangle ABC = 17 sq.units, then find value of y.
*February 12, 2013 by Anonymous*

**Precalculus**

Suppose that termial point by t is the point (3/4, (square root 7)/4) on the unit circle. Find the terminal point determined by each of the following. a) pi - t b) -t c) pi + t d) 2pi + t
*June 23, 2010 by Miguel*

**math ASAP**

Find the point of intersection L1: r(t)= (-5 + 3t)i + (1+t)j L2= r(s) = (1+2s)i + (5-6s)j I know they are perpendicular, and the system of equations I think is t= 4/5 s =8/5 so how do I find the point of intersection
*September 14, 2013 by christina*

**Pre-Calc (Circles)**

Describe the conditions necessary, where circle A has a larger radius than circle B, for the two circle to have no points of intersection, while circle B is entirely in the interior of circle A.
*November 17, 2009 by Anonymous*

**Trig**

Solve: 3tan^2x-1=0. I got +/- (the sq. root of 3)/3 which is correct according to my study guide. However, I don't know how to use the unit circle to find this. The copy of the unit circle which I have does not have tangent values listed, only sine and cosine. I've tried ...
*January 7, 2010 by Tara*

**Pre Cal---Fix to the question below**

Let P be the point on the unit circle U that corresponds to t. Find the coordinates of P and the exact values of the trigonometric functions of t, whenever possible. (If there is no solution, enter NO SOLUTION.) 4pi = ( , ) sin(4pi) = cos(4pi) = tan(pi) = cot(pi) = sec(4pi...
*February 9, 2010 by Karmen*

**mathematics**

The circle x2-2x+y2-4y-4=0 lies on the cartesian plane,question 2.1.1 equation of new circle which is the rotation of original circle through 180 degree around the origin...2.1.2 find equation of another circle which is the translation (x;y)-(x-8;y-6) of the points of the ...
*March 21, 2013 by Jossie*

**mathematics**

The circle x2-2x+y2-4y-4=0 lies on the cartesian plane,question 2.1.1 equation of new circle which is the rotation of original circle through 180 degree around the origin...2.1.2 find equation of another circle which is the translation (x;y)-(x-8;y-6) of the points of the ...
*March 21, 2013 by Jossie*

**mathematics**

The circle x2-2x+y2-4y-4=0 lies on the cartesian plane,question 2.1.1 equation of new circle which is the rotation of original circle through 180 degree around the origin...2.1.2 find equation of another circle which is the translation (x;y)-(x-8;y-6) of the points of the ...
*March 21, 2013 by Jossie*

**Geometry**

a circle has a center (8,2). the point (3,7) is on the circle. What is the area of the circle to the nearest square unit?
*August 22, 2015 by Steve*

**Geometry **

A circle has a center at (3,5). The point (3,8) is on the circle. What is the circumference of the circle to the nearest tenth of a unit?
*September 3, 2015 by Anonymous*

**Pre-Calc**

An ant starts at the point (3,0) on a circle of radius 3 meters and walks counterclockwise a distance of 6 meters around the circle. Find the x and the y coordinates of the ants location. Round to the nearest hundredth.
*November 2, 2014 by Sarah*

**physics**

A block of mass m = 4.30 kg is released from rest from point circle a and slides on the frictionless track shown in the figure below. (Assume ha = 5.20 m.) B=3.20 c=2.00 (a) Determine the block's speed at points circle b and circle c. point circle b Y point circle c (b) ...
*February 23, 2012 by Darcie*

**Geometry**

a circle has a center (3,5). the point (3,8) is on the circle. What is the circumference of the circle to the nearest unit?
*August 22, 2015 by Steve*

**mathematics**

The circle x2-2x+y2-4y-4=0 lies on the cartesian plane,question 2.1.1 equation of new circle which is the rotation of original circle through 180 degree around the origin...2.1.2 find equation of another circle which is the translation (x;y)-(x-8;y-6) of the points of the ...
*March 21, 2013 by Jossie*

**Trig**

Sketch a unit circle and label the terminal points corresponding to t= pi/4, 3pi/4, 5pi/4, 7pi/4. Include the coordinates of each point. I have 3 other problems like this and i have no clue how to do them. can someone help please?
*January 28, 2012 by BreAnne*

**Geometry**

A circle has a center at (8,2). The point is (3,7) is on the circle. What is the area of the circle to the nearest tenth of a square unit? A. 22.2 B. 44.4 C. 157.1 D. 314.2 (I've been stuck on this question for a while) thanks!!
*September 15, 2015 by katy*

**maths**

how to write the X-coordinates of the point of intersection of the graph sin2x and 1/2tanx
*April 5, 2015 by onika*

**geometry**

Given the points K=(-2,1) and m(3,4), find coordinates for a point J that makes angle JKM a right angle.
*September 8, 2011 by zach*

**Math**

1. Find the angle of smallest positive measure coterminal with an angle of the given measure: a. 520 b. - 75 2. Points A (1,0) and B (.6,-.8) are points on a unit circle O. If the measure of angle AOB = 0 {w/ a line in the middle} Find a. sin 0 b. cos 0 c. tan 0
*February 14, 2010 by Priscilla *

**Math**

1. Find the angle of smallest positive measure coterminal with an angle of the given measure: a. 520 b. - 75 2. Points A (1,0) and B (.6,-.8) are points on a unit circle O. If the measure of angle AOB = 0 {w/ a line in the middle} Find a. sin 0 b. cos 0 c. tan 0
*February 15, 2010 by Priscilla *

**Trig**

A 30 degree central angle is in central position in a circle with a radius of 7 square roots of 5 (245). What are the coordinates of the point where the terminal ray intersects the cicrle?
*October 4, 2009 by Ashley*

**Geometry Inscribed Angles Multiple Choice **

Find the measure of angle BAC. {There's an image of a circle with an angle from the top left side going to the bottom of the right side. Point A is the point at the top left side starting the angle, and B is at the bottom and point C is at the bottom right side. Inside the ...
*May 17, 2012 by LeXi<3*

**Math**

1. Write the expression as a function of an acute angle whose measure is less than 45. a. sin 80 b. sin (-100) To find the postive acute angle, usually you would subtract 360 from the given measure. Would you have to subtract 45 from the given measure. 2. Points A (1,0) and B...
*February 16, 2010 by Priscilla *

**trig**

If point G(a,b) lies on the terminal side of angle theta in standard position, what is the value of sin(theta) if point G also lies on the unit circle?
*January 26, 2012 by Anonymous*

**math**

Quadrilateral ABCD is a square. The coordinates of point A are (3,2), coordinates of point B are (-3,2),and the coordinates of points C are (-3,-4). where on a coordinate plane would I mark the location of point D??
*March 29, 2012 by Dennis*