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April 20, 2014

Search: Geometry/Trig

Number of results: 23,873

trig
its in the first chapter of my trig course. i know its review frm geometry and alg
Friday, November 14, 2008 at 11:25am by y912f

Trigonometry/Geometry - Inequalities
Let a, b, and c be positive real numbers. Prove that sqrt(a^2 - ab + b^2) + sqrt(a^2 - ac + c^2) is greater or equal to sqrt(b^2 + bc + c^2). Under what conditions does equality occur? That is, for what values of a, b, and c are the two sides equal? This looks like a geometry...
Saturday, December 7, 2013 at 4:58pm by Sam

Geometry/trig
What is 17*sin49?
Friday, March 9, 2012 at 5:38pm by bobpursley

Geometry.
HELP WITH ALOT OF QUESTIONS? TRIG? I don't get any concepts.
Sunday, January 24, 2010 at 7:53pm by Amy.

Trig-Weird Geometry Problem
Thanks steve!
Thursday, December 5, 2013 at 11:02am by Sam

Geometry- trig ratio
25,636 ft?
Tuesday, April 15, 2014 at 7:38pm by Anonymous

Geometry
If all we have is one side and one angle, there's no way to determine any of the missing info. Now, if we're working with a right triangle, then the side opposite the angle is x/59 = tan 35 But since this is geometry, not trig, I don't know whether that's what you had in mind.
Thursday, February 27, 2014 at 9:14pm by Steve

Geometry
Ok I have not done any trig, but I think I kind of understand what you mean.. thank you.
Friday, January 22, 2010 at 2:08pm by Rmz

Geometry/trig
How do I find the geometric mean between 12 and 2.4?
Thursday, March 3, 2011 at 10:56pm by Shannon

geometry
Did you make your diagram? Which trig ratio do you think will fit your situation?
Wednesday, January 5, 2011 at 11:31am by Reiny

physics
This is pretty simple trig and SNells law, along with some geometry. Draw the figure, and figure the intercept point at the surface, then snells law, then use trig to find the intercept at the bottom. You willhave to decide what the angle of incidence is: is it 24 deg, or 66 ...
Saturday, September 10, 2011 at 8:28pm by bobpursley

Geometry/Trig.
Find the inverse of cosA, so cos-(.11)=83.7 I hope it's right!
Sunday, January 30, 2011 at 1:53pm by tghias

Geometry/Trig
assuming the crosswind is at right angles to the flight, √(130^2+20^2) = ...
Monday, March 3, 2014 at 12:24am by Steve

geometry
first off, trig functions are just numbers. they have no units (such as meters). Maybe those little m's are meant to be symbols. If sin(x) = 8/32, x = 14.48 did you visit the trig site I provided? http://www.rapidtables.com/calc/math
Friday, February 15, 2013 at 3:57pm by Steve

Geometry
30-60-90 triangle has a hypoteneuse of 10 use trig to find the short side
Wednesday, August 3, 2011 at 9:58am by Christa

geometry
looks like a straight-forward right-angled triangle trig question. tan75 = x/145 x = 145tan75 = 541.15
Wednesday, June 20, 2012 at 12:37pm by Reiny

Geometry
You try this one, I gave you the solution for your other trig problem. Hint: you can find the third angle easily. Then use the Sine Law.
Friday, September 30, 2011 at 12:59am by Reiny

Geometry
in parallelogram , TRIG m<R 2x + 19 m<G = 4x - 17
Sunday, February 26, 2012 at 10:46pm by devonte

Geometry- trig ratio
sin 55 = 21,000/hypotenuse we want that hypotenuse
Tuesday, April 15, 2014 at 7:38pm by Damon

geometry
basic trig ... tan 56 = height/7 height = 7tan56 = ......
Tuesday, January 29, 2013 at 11:00pm by Reiny

Geometry/trig
The geometric mean of two numbers is the square root of their product or the mean of A and B is sqrt(AxB).
Thursday, March 3, 2011 at 10:56pm by tchrwill

geometry
1.in which geometry do lines no contain an infinite number of points? (a) plane coordinate geometry (b) discrete geometry (c) graph theory 2. in which geometry do points have thickness? (a) plane coordinate geometry (b) discrete geometry (c) graph theory i think the answer is...
Tuesday, August 30, 2011 at 4:39pm by SoccerStar

Trig 30
x/2 = 2pi/3 yields a unique solution of x = 4pi/3 Does this answer come from some trig equation? Your subject title suggests that. In that case find the period of the trig function, then add k(period) to 4pi/3, k an integer.
Friday, March 19, 2010 at 7:59pm by Reiny

Geometry/Trig.
Let angle A be and acute angle in a right triangle. Approximate the measure of andgle A to the nearest tenth of a degree. cos A = 0.11
Sunday, January 30, 2011 at 1:53pm by Chica

I need an answer--molecular/electron geometry
Can anyone help me out with the differences between electron geometry and molecular geometry for SCl6? I think the molecular geometry is octahedral, but I'm not so sure for the electron geometry. Thanks :) *My earlier post wasn't answered, so I'd appreciate some help please =]
Tuesday, February 8, 2011 at 8:03pm by Kate

Molecular and Electron geometry
Can anyone help me out with the differences between electron geometry and molecular geometry for SCl6? I think the molecular geometry is octahedral, but I'm not so sure for the electron geometry. Thanks :) *My earlier post wasn't answered, so I'd appreciate some help please =]
Tuesday, February 8, 2011 at 6:47pm by Kate

geometry
In parallelogram TRIG, m∠R = 2x + 19 and m∠G = 4x - 17. What is m∠T
Sunday, February 26, 2012 at 1:48pm by miguel

Geometry
in parallelogram , TRIG m<R 2x + 19 m<G = 4x - 17 what is m<t
Sunday, February 26, 2012 at 10:46pm by devonte

trig
Subtract 2 pi from 7pi/3. The trig functions of 7 pi/3 will be the same values as the trig functions of pi/3, which is 60 degrees. The cosine of pi/3 is 1/2. That makes the secant 3. The tangent is sqrt3 You should be able to look up or figure out the other funtions of that ...
Tuesday, January 12, 2010 at 9:50pm by drwls

geometry
Since A+B+C = 180, A = 38 If you haven't had trig yet, it will be tough to calculate the other sides. a = 10 tan 38 = 7.8 c^2 = a^2 + b^2 = 100 + 61 = 161 c = 12.7
Friday, December 23, 2011 at 5:16am by Steve

math
could someone please refresh my memory of the basic trig functions? ex) cos^2 + sin^2 = 1? That is a trig identity. http://www.sosmath.com/trig/Trig5/trig5/trig5.html
Thursday, April 12, 2007 at 10:18pm by raychael

Math - Solving Trig Equations
Start by recalling the most important identity. My math teacher calls this "the #1 Identity." sin^2(x) + cos^2(x) = 1 We want to simplify our trig equation by writing everything in terms of sine. Let's solve the #1 Identity for cos^2(x) because we have that in our trig ...
Wednesday, November 21, 2007 at 6:29pm by Michael

trig
What kind of reflection does the trig function y = cos(4x/3 minus 1) have?
Monday, April 21, 2008 at 8:53pm by Priya

trig
What kind of reflection does the trig function y = cos(4x/3 minus 1) have?
Tuesday, April 22, 2008 at 12:03am by Chaitanya

trig
how do i do this? give the signs of the six trig functions for each angle: 74 degrees?
Wednesday, December 3, 2008 at 6:59pm by Tay

trig
express the trig. ratios sinA,secA n tanA in terms of cotA.
Saturday, May 7, 2011 at 5:49am by Anonymous

trig
How do you solve cos(2arcsin 1/4) using inverse trig. functions??!! PLEASE HELP ME!
Monday, May 9, 2011 at 11:20am by Tor

Trig
Find (if possible) the trig function of the quadrant angle. sec 3pi/2
Monday, June 6, 2011 at 4:00pm by Master chief

trig
find the 5 trig ratios when sin theta = -5/13 and lies in quadrant 3
Wednesday, September 14, 2011 at 10:38pm by karen

graphing trig functions
I see the equation of a straight line, not a trig function
Sunday, May 20, 2012 at 10:15pm by Reiny

Trig
surely you have learned the basic definitions of the trig functions, tan = y/x = 4/3
Sunday, January 20, 2013 at 5:17pm by Reiny

trig
simplify to a constant or basic trig function.. 1+tan(x)/1+cot(x)
Sunday, March 14, 2010 at 1:14pm by hilde

Trig
This subject is not trig. You will have to use your own graphic calculator.
Sunday, May 15, 2011 at 12:10am by drwls

trig
first of all, this is not trig, secondly your expression makes no sense.
Monday, January 7, 2013 at 10:03pm by Reiny

trig
What kind of reflections are the following trig functions? y = 3cos(x-1) y = sin(-3x+3) y = -2sin(x)-4
Sunday, April 20, 2008 at 10:27pm by Joshua

trig
What kind of reflections are the following trig functions? y = 3cos(x-1) y = sin(-3x+3) y = -2sin(x)-4
Monday, April 21, 2008 at 12:33am by Joshua

trig
What is the shift along x of the following trig functions? y = (3sinx/2) + 4 y = -2sin(x)-4 y = sin(-3x + 3)
Monday, April 21, 2008 at 12:34am by Amandeep

Precalculus
How would you solve this trig function: cos2x=sin^2-2 how do you know what trig identities to use?
Saturday, August 6, 2011 at 5:39pm by Jess

Trig
find the exact values of the six trig functions of angle... sin(-315degrees) how do i do this?
Thursday, September 1, 2011 at 9:16pm by ALISON

trig
I don't know to find the derivative of the following trig functions. Please help. f(x)= cotx h(x)= secx i(x)= cscx
Thursday, January 19, 2012 at 8:45am by Claire

trig
TRIG Identities, Gr. 12: Prove: cot4x=1-tan^2x/2tan2x
Thursday, May 23, 2013 at 2:56pm by Josh

Trig
Does anybody know a good website that will hlp me with finding the six trig functions of a point NOT on the unit cricle?
Wednesday, September 16, 2009 at 7:59pm by Anonymous

trig
use the unit circle to find the exact value for all the trig functions of =2/3.
Monday, February 1, 2010 at 9:54pm by Anonymous

trig
find the 5 other trig functions if cos(theta) = square root of 2/2 and cotangent is less than 0
Wednesday, June 9, 2010 at 7:04pm by kelly

trig
I don't know to find the derivative of the following trig functions. Please help. f(x)= cotx h(x0= secx i(x)= cscx
Thursday, January 19, 2012 at 8:45am by Claire

trig! please help!
to bobpursely: i need to simplify the expression using trig identities. and no i meant for there to only be x
Sunday, May 13, 2012 at 8:59pm by Brianna

Physics (trig)
If the angle is x, tan x = 12.3333/19.2 Better review your trig ratios...
Wednesday, June 19, 2013 at 9:10pm by Steve

trig
what is the exact value of 7pi for all trig func.?
Monday, February 1, 2010 at 10:23pm by claire

Trig
Find (if possible) the trig function of the quadrant angle.
Monday, June 6, 2011 at 3:59pm by Master chief

trig
write a product of two trig functions that equals 1.
Sunday, November 6, 2011 at 9:38pm by Dani

trig
any calculus text will list the trig functions and their derivatives.
Thursday, January 19, 2012 at 8:45am by Steve

Trig
Solve the following trig equation 2cos(x-π/6)=1
Tuesday, January 31, 2012 at 2:51am by Matt

Trig
csc thea= -2, quadrant 4. what are the six trig functions?
Monday, May 6, 2013 at 4:17pm by Shay

geometry
The two other angles have sines of 3/5 and 4/5. Using trig tables or a calculator, that tells you that the angles are 36.87 degrees and 53.13 degrees.
Wednesday, December 3, 2008 at 8:19pm by drwls

Geometry/trig
A ladder, 17 feet long, leans against a wall at a 49 degree angle to the ground. How far up the wall does the ladder reach?
Friday, March 9, 2012 at 5:38pm by Leana

trig
Do you mean find the six trig functions (sin, cos, tan, csc, sec, and cot)?
Wednesday, December 3, 2008 at 6:59pm by Anonymous1

trig
Let Q be an acute angle such that sinQ=.6. Find the values of the following using Trig Identities: cosQ and tanQ
Tuesday, July 27, 2010 at 10:06pm by student

Trig
Use Trig identities to verify that sec^4(x)-tan^4(x)=1+2tan^2(x), Only work with one side of the equation
Tuesday, March 1, 2011 at 5:23pm by Anonymus

trig
Just noticed this was for trig, not calculus. Algebraically, note that a(y) is a parabola, whose vertex occurs where y=60/4 = 15.
Thursday, August 29, 2013 at 9:44pm by Steve

trig
What is the range of the trig function sin(-3x+3)?
Monday, April 21, 2008 at 12:35am by Chaitanya

Trig
please show me again in trig way
Saturday, May 17, 2008 at 12:40pm by Doni --i didnt get this one can please show me the trig way a little bit more clrealy

trig
how to i find the six trig values for (7pi/3)
Tuesday, January 12, 2010 at 9:50pm by Rak

Trig
Trig Identity. 1-sin^2x/1-cosx
Sunday, May 15, 2011 at 5:56pm by Jill

trig
what's the single trig. function of cos6xcosx-sin6xsinx
Thursday, May 17, 2012 at 4:44pm by MIK

trig
write 2+2 squareroot of 3i in trig form.
Thursday, May 17, 2012 at 5:01pm by ky

trig
no idea what "p" and "o" represent, or which trig function is required.
Monday, July 22, 2013 at 8:09pm by Reiny

Trig-Weird Geometry Problem
Determine all triangles ABC for which tan(A-B)+tan(B-C)+tan(C-A)=0. There's a hint: "Can you relate A-B to B-C and C-A?" Should I apply the tangent difference formula (tan(x-y))? Help would be appreciated, thanks.
Thursday, December 5, 2013 at 11:02am by Sam

Molecular and Electron geometry
Can anyone help me out with the differences between electron geometry and molecular geometry for SCl6? I think the molecular geometry is octahedral, but I'm not so sure for the electron geometry. Thanks :)
Monday, February 7, 2011 at 7:02pm by Kate

trig
You have to state where the right angle is. Once that is established, this looks like a very fundamental and basic trig question.
Wednesday, April 16, 2008 at 10:54pm by Reiny

trig
What is the shift along x of the trig function y = cos(4x/3 minus 1)? Any link of proof would be appreciated if you have one Thank you
Monday, April 21, 2008 at 8:51pm by Priya

trig
What is the shift along y of the trig function y = cos(4x/3 minus 1)? Any link of proof would be appreciated if you have one Thank you
Monday, April 21, 2008 at 8:52pm by Priya

trig
Suppose that q is in standard position and the given point is on the terminal side of q. Give the exact value of the indicated trig function for q.
Monday, February 21, 2011 at 11:50am by Anonymous

geometry
Geometry riddl How did they like the story about towel manufacturing? Also, where can I find geometry worksheets on plane and simple? ? ? ?
Tuesday, September 26, 2006 at 9:24pm by Debra

Trig
Did you notice that trig co-functions come in pairs: sine ---cosine secant --- cosecant tangent --- cotangent so csc(4π/11) = ......
Wednesday, May 11, 2011 at 4:53am by Reiny

Trig
looks like "homework dumping" to me I have two of them for you. Please indicate where you are having difficulties with these standard type of trig questions.
Tuesday, September 17, 2013 at 11:24pm by Reiny

geometry
What is your geometry question? What exactly do you need help with in terms of geometry? Write back....
Saturday, February 16, 2008 at 8:37pm by Guido

Trig
The next two steps in solving this trig identity question are ??? 1/csctheta x costheta x sintheta x sectheta = sinsqtheta arghhh need help please
Saturday, December 17, 2011 at 7:43pm by Don

Trig
Not trig Since it is already factored ..... x = 5, or x = -2
Friday, January 18, 2013 at 11:39am by Reiny

7th grade geometry
I need help desperately with geometry. the geometry is Area: Parallelograms, Triangles, and Trapezoids. It's really hard for me. Only if you get the concept. Anyway, Pleaswe help me!!!!!!!!!!
Monday, January 28, 2008 at 6:52pm by Janelle-Marie

trig 26
simplify to a constant or trig func. 1. sec u-tan u/cos v+sin v change expression to only sines and cosines. then to a basic trig function. 2. sin(theta) - tan(theta)*cos(theta)+ cos(pi/2 - theta) 3. (sec y - tan y)(sec y + tan y)/ sec y combine fractions and simplify to a...
Sunday, March 14, 2010 at 1:25pm by hilde

Geometry/Trig
A plane is flying and show an air speed of 130 mi/h. However, there is a 20 mi/hr crosswind. What is the resulting speed of the plane.
Monday, March 3, 2014 at 12:24am by Anna

trig
Getting ready for trig semester finals. Can't figure out how they are simplifying these equations. (these are the review not actual test) tanx-sqr3=2tanx and 2sin^2+sinx=0
Sunday, December 11, 2011 at 4:49pm by Josh

trig
forgot to mention that you cannot just skip the "angle" after a trig operator. What you typed would be like having an equation of the type ... √ = ∫ + ∑
Friday, January 24, 2014 at 8:46pm by Reiny

Physics
2. you know the dispersion angle. YOu will have to use trig to find width at trig bottom. Draw the figure, label the paths, and I assume you know how thick the glass is. 3. Same principle as 2.
Friday, January 22, 2010 at 6:56pm by bobpursley

precalc
Suppose that z1=6-8i. Find: A. The Trig Form of the complex number z1, where your theta is in degrees. B. The Trig form of z1*z2, where z2=5[cos(60degrees)+isin(60degrees)] C. The Trig Form of (z1)^4
Monday, December 5, 2011 at 1:34pm by Joshua

trig
combine fractions and simplify to a multiple of a power of a basic trig. function.? sin x/cotx - sin x/cosx
Monday, March 15, 2010 at 5:37pm by hilde

trig
405 I THINK I *'S 15 BY 27 AND GOT 405. NOW THAT IVE HELPED YOU WITH TRIG CAN YOU HELP ME WITH INTRODUCTORY ALGEBRA
Saturday, October 16, 2010 at 4:00pm by Alicia

trig
2sin(4x)[(cos(3/2)x)(cos(5x/2)-sin((15/4)x)]+x can someone simplify this using trig identities?
Sunday, May 13, 2012 at 9:08pm by Brianna

trig
Solving Trig Functions: How Do You Solve For Sin 7.5 Using Half-Angle and Double-Angle Identities?
Wednesday, September 22, 2010 at 10:23pm by Spy[c]

Trig
Find values of all six trig functions if sin(theta)= 4/5 and theta is in the second quadrant.
Tuesday, August 23, 2011 at 2:47pm by Lucy

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