# alg/trig

4,424 results, page 18-
## trig

solve the point given below is on the terminal side of an angle0. find the exact value of the six trigonometric functions of 0. (10,-10) -
## Trig

How do I find all solutions in the interval [0, 2Pi): cotx=cscx-1 the answer choices are: a.) x=Pi/2 b.) x=Pi/2 and 3Pi/2 -
## trig

I have to factor the expression and use fundamental identities: sins^2xcscx^2-sin^2x sec^4x-tan^4x -
## trig

Suppose that θ is an angle in standard position whose terminal side intersects the unit circle at , −15/17,−8/17 -
## trig

find, to the nearest degree, the solution set of 4 cos^2x-1=0 in the intervak between )degrees and 360degrees. -
## Math/Trig

Find the area of a sector of a circle with a radius of 3 m and a central angle of 125degrees. -
## trig

If tan(x)=8/3 and sin(x)<0, then find cos (x) sec(x) csc(x) i don't understand how u do this problem -
## trig

Describe the possible values of variable a such that (/72) + (/a) can be simplified to a single term. Note: (/a) is the square root of a. -
## trig

solve equation for the exact solutions if possible put answer in degrees. 2tanx/3-tan^2x=1 -
## trig

for a set of data the line of best fit is given by y=-.687x + 3.431 and r^2=.325. what is the correlation efficient -
## Calculus

Integrate [1/square root of(e^(2x)-1)]. I have to use u substitution. We are doing the integrals of inverse trig functions, but I cannot get it to work out! -
## Math/Trig

Find the area of triangleABC with B=47.6degrees, a=3.6, and c= 9.7. Round your answer to the nearest tenth. -
## Math/Trig

Find the area of triangleABC with B=47.6degrees, a=3.6, and c= 9.7. Round your answer to the nearest tenth. -
## trig

Find sin t ,cos t and tan t when the terminal side of an angle of t radians passes through (2 , 7) -
## trig

ind, to the nearest minute, the solution set of 4 cos x + 5 = 6 sec x over the domain 0 degrees -
## trig

The minute hand of a clock is 6 inches long. What distance does its tip move in 16 minutes? -
## Trig

How do you find csc 163degrees 20minutes? (I didn't know how to insert the degree and minute marks) -
## Pre-Cal: Trig

The point (7,2) determines a poistion angle "t". Find the exact value of sin(t). -
## trig

A and B are positive acute angles. if sin A=4/5 and cos B=8/17 find the value of tan (A-B) is the answer =43/100 -
## Trig

How would you write the partial fraction decomposition of the rational expresion 1/(x^2)-25? I know that you factor the denominator, so that's 1/(x-5)(x+5). What are the next steps? -
## math

correction: use the unit circle to fin the ecaxtvalue for all trig functions theta=2pi/3 -
## Trig

Use a half-angle identity to find the exact value for sec(x/2) if sinx = -12/13 ; 3pi/2 < x < 2pi -
## trig

find the exact zeros of the function in the interval [0, 2π) 2 cot squared x + 3 csc x=0 -
## trig

simplify (sec^2x + csc^2x) - (tan^x +cot^2x) to either a constant or a basic trigonometric function. -
## trig

find all values of x on interval 0-2pi. (sin4x)(cos7x)=(cos4x)(sin7x) identities should be used. -
## trig

simplify and write the trigonometric equation in terms of sine and cosine. tan^2x-sec^2x -
## trig

John weighed five rocks two at a time in all possible ways. The weights in pound are 30,38,41,42,45,46,50,53,58,61. How much does each rock weigh? -
## trig

Ok, so im brand new at trigonometry. If i have a right triangle with an acute angle of 30° an opposite side of 4 and a hypotenuse of x how do ii find x -
## Pre-Cal: Trig

The point (7,2) determines a position angle "t". Find the exact value of sin(t). -
## trig

Find sin t ,cos t and tan t when the terminal side of an angle of t radians passes through (2 , 7) -
## MATH -

Permutation and combinations (Trig/alg2 class) In how many ways can all the letters in SEYCHELLES be arranged? -
## Calculus (trig stuff)

How do I do these type of problems find the exact value. Do not use a calculator cos 7pi -
## Trigonometry

Solve. 2sin(2ƒÆ) + ã3 = 0 interval [0, 2ƒÎ) How do I start this? I feel like maybe Trig Identities, but I'm not really sure. -
## Trig

How do you find the exact circular function value of csc(-23pi/6)? I don't know how to do the pi symbol on the keyboard. -
## Trig identities:(

Sin4A - cos4A = sin2A - cos2A Can i just square root the left side??:O -
## algebra-trig help asap

Evaluate the expression. Assume that all angles are in quadrant 1. 1. cos(arccos4/5) -
## trig e-maths

giving that cosx=4/5 and siny=12/13, find cos(x+y) when x is acute and y is obtuse angle -
## trig

Give an equation of a sine function of x which has a phase shift along y of -2 units and a wavelength of 3pi -
## Trig/Precalc

solve 6=e^0.2t Round your answer to the nearest hundredth Someone please help me - I don't understand this problem at all! -
## trig

SOlve over (2,pie) and find the general solution in radians. 2sin3x = square root of 2 -
## algebra-trig help asap

Evaluate the expression. Assume that all angles are in Quadrant I. 14. tan(arccos 3/5) -
## trig equations

Find all solutions (if they exist)for the given equation on the interval [0,2pi) cos^2x-5sinx+5=0 -
## math

The terminal side of theta is in Quadrant III and lies on the line y = 2x. What are the 6 trig functions? -
## Pre-calculus

find the trig functions of angle x if the terminal side of x passes through the point (-12, 5). -
## Pre-Calc/Trig

Go over this with me please, I forgot how to do it. Solve the polynomial equation. 15x^3-119x^2-10x+16=0 -
## Math 12

trig question 2sin^2x+sinx-6=0 how to solve for x when the restriction is x is greater than or equal to zero but less than 2pi -
## trig

How much does it cost to paint a triangular surface of sides 6m,5m, and 11m at the rate of rs.20/-per metre square. -
## Math (Trig)

Rewrite the following expression in terms of tan3x: (sin2x + sin4x)/(cos2x + cos4x) -
## Math Trig

Find all solutions on the interval [0,2pi] for the following: 2sin^2(x)-5sin(x)=-3 cos^2(x)+sin(x)=1 -
## trig

use an identity to write the expression as a single trignometric function. squ root 1-cos48°/2 -
## 12th grade Trig

What are the period and 2 consecutive asymptotes? 1. y= -3tan pi x 2. y= 2 sec 4 x 3.y= csc x/3 4.y = 3cot pi x/3 -
## Trig

Use the half-angle formulas to come up with an exact expression for each function value below. You do not have to simplify your answers. cos(pi/16) -
## trig

Given a right triangle with legs 8 and 5, find the measure of the two acute angles. (Round to the nearest hundredth -
## MAth Trig

Find the diameter of a circle with an arc length of 32 cm and a subtended angle of 72 degrees -
## trig

Use the appropriate cofunction to find an equivalent expression for cos 54° cot 24 sec 32 sin 36 csc 44 -
## trig

prove that the equation 2sin x cos x +4cos^2 x =1 may be written in the form of tan^2 x -2tan x -3=0 -
## Trig

Can somebody please help me find the domain of: 1 / cos4x If there are any working out, could you be kind enough to show your steps? Thankyou. All help is of course, appreciated. -
## Trig math

how to split up using sum and difference identities cos (13pi/12) PLeaseeeeeeeeeee help!!! thanx a million -
## trig

Write the complex number in trigonometric form, using degree measure for the argument. -12 - 16i -
## Trig-desperate

f(x)=sin2x and g(x)=1/2tanx for x is the element of [-90;180] 8.1)calculate the x-coordinates of the points of intersection of f and g. -
## Pre-Calc/Trig

write an equation of the conic section: a hyperbola with vertices (0,-6) and (0,6) and asymptotes y=(3/4)x and y=(-3/4)x -
## Trig

A car is traveling at a speed of 55 mph with a bearing of 210°. What vector represents the velocity? -
## trig

Consider the trigonometric function f(t) = -3+4cos(pi/3(t-3/2)) What is the amplitude/period of f(t)? What are the maximum and minimum values attained by f(t)? -
## Trig

How do you solve this problem? y = 2sin 3x + 4sin 2x I haven't done these types of problems for awhile and have forgotten how to do them. -
## math trig

lets say you have a tree or a flagpole. Describe how you would measure this object using right angled triganometry -
## Trig Proofs!

I'm having trouble solving this proof. Can you help? cos^3+sin^3/cosx+sinx = 1-sinxcosx Thanks!:) -
## Trig Question

Find solutions of the following equation which lie in the interval [0,2pi): 6cos(3theta)/(2)+3=0 -
## Trig

This has to do with dot products (I can't make the arrow above the u, i, or j). Given u = 4i - 6j and v = -3i + 5j, find 4u-(1/2)v Am I just supposed to plug in what u and v are equal to in 4u-(1/2)v? If so, is the answer (35/2i - 53/2j) -
## trig

write equations expressing: 19cos(theta-50degrees) as a sum of sine and cosine. -
## Trig/PreCalc

Use an algebraic method to eliminate the parameter and identify the graph of the parametric curve. x=5-3t y=2+t -1<-x-<3 -
## Math Help

Permutation and combinations (Trig/alg2 class) In how many ways can all the letters in SEYCHELLES be arranged? -
## trig

verify the identity. cos2 x - sin2 x = 1 - 2sin2 x the 2's next to the sin and cos on the right sides are powers. -
## trig

using the trigonometric identities find the exact (radical form) value of cos (105 degrees) -
## trig

Find a polar equation of this conic with focus at the pole and the given eccentricity and directrix. e=2, r cos X =-1 -
## Trig

use a graphing utility to solve each equation, rounded to 2 decimal places 1. x^2 - 2sin2x = 3x 2. x^2 = x + 3cos2x -
## trig

I need to know how to graph y = sin 2(x - Pi/3) I need to have: Amplitude Period Phase Shift 5 critical points Help would be appreciated. Thanks. -
## Trig

If tan A= 3/4 and cos B=-5/13, where A and B are both third-quadrant angles, find sin(A+B). Please explain how you found all the answers -
## trig

Solve sin ¥è = -0.204 for 90¨¬ < ¥è < 270¨¬. Give your answer to the nearest tenth of a degree. -
## trig

given a central angle of 66 degrees find the area of a sector in a circle of radius 12.1 inches -
## precalculus

how you do you use the power-reducing formula to find the exact value of the trig function: sin^2(37pi/12) -
## Alg

A charter boat travels at a maximum rate of 25 mph. The function d(x) = 25x represents the distance d(x),in miles, that the boat can travel in x hours. The charter boat travels a maximum distance of 75 miles from the shore. -
## Alg

A charter boat travels at a maximum rate of 25 mph. The function d(x) = 25x represents the distance d(x),in miles, that the boat can travel in x hours. The charter boat travels a maximum distance of 75 miles from the shore. -
## alg.

Find the slope of the line passing through the points (–2, 1) and (3, 9). I know the equation to figure this out is: m = y(2) + y(1) ----------- x(2) + x(1) but its a multiple choice question and my answer is not the same as the choices. how exactly do I -
## trig

If point (3, -8) lies on the terminal side of an angle A in standard position, find: a) sinA b) tanA -
## trig

give 3 different coterminal angles in radians to: pie/3 i changed that to degree and got 60 degress, but now i'm stuck...i don't know what to do -
## trig

If S is an element of [ 3pi/2 , 2pi ] what quadrant does the terminating side lie in and evaluate for sine theta -
## Pre-trig/Calc

Please help me. Use Descartes' rule of signs to describe the roots for each polynomial function. 3. m(x)=x^3+3x^2-18x-40 -
## math c30 trig

Determine the period length of y= 2/3 sin (3x/2 ) I had 3pi/2 but the correct answer is 4pi/3 how do you get that??? -
## trig

Solve rounding to 2 decimal places. 9cosx + 4cos(2x) + 1 = 0 over 0° ≤ x < 360° Thanks to anyone that can help! I'm totally stumped. -
## Trig

Use the given information to evaluate sin (a+b). Exact answers only. No decimals. Tan a = 4/3, cos b ='-12/13; neither a nor b are in quadrant III. -
## trig

find the coordinates of the terminal point on the unit circle determined by t=9pt/7 to two decimal places -
## trig

write an equation expressing: cos37cos99 as a sum Review question. I know the formula. Having trouble with working it out. -
## Trig

Use the given information to evaluate sin (a+b). Exact answers only. No decimals. Tan a = 4/3, cos b ='-12/13; neither a nor b are in quadrant III. -
## Math- Trig

In an oblique triangle ABC, A=30 degree, and the perpendicular from C to AB is 12 inches long. Find the length of AB. -
## trig/math

If A is between 270degrees and 360degrees, and cos A=12/13, find the exact value of: sin2a, cos2a, sin1/2a, cos1/2a -
## trig

if you are riding on a ferris wheel that is 60 ft tall and it takes you 5 minutes to make 1 revolution, what is your linear velocity? -
## trig

use the calculator to find the trigonometric values. express your answers in ten-thousandths. sin 53 degrees 30 ft -
## Pre-Calc/Trig

Use Descartes' rule of signs to describe the roots of the polynomial function. m(x)=x^3+3x^2-18x-40 -
## trig

What is the length of the circular arc intercepted by a central angle of 20degrees in a circle with a radius of 5cm? -
## Trig identities

Sin x/[1-cos(-x)] = csc x + cot x Please Verify the Identity. I have been going in circle with this one... Just a hint would be nice. Thank you.