Friday

April 25, 2014

April 25, 2014

Number of results: 73,840

**algebra/trig help please**

is this graphable??? y=x^2-4x-2
*Wednesday, November 16, 2011 at 6:55pm by bunny*

**algebra-trig help ASAP**

Can someone please help me understand how to graph y=3cos(x/4)-5
*Thursday, April 12, 2012 at 2:58pm by missy*

**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**

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**

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*

**Algebra II/Trig**

Simplify: (n/4)/(n/m) As my answer I got: 4m Is this response correct? If not, please let me know what I did wrong.
*Thursday, August 7, 2008 at 6:52pm by David*

**algebra/trig**

simplify using properties of exponents ? (2y^1/5)^4 ---------- y^3/10 what would that be please hlepp
*Monday, August 31, 2009 at 4:53pm by alexis*

**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*

**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*

**algebra/trig**

1.Find the domain f(x)=ã(x^(2)-9) 2. Find all six trig functions for (-3,4)
*Wednesday, June 8, 2011 at 11:27pm by Mike*

**Trig**

Im having serious issues with verifying Trig. identities. Please help! Here is an example: (tanX-secX)^2= 1-sinX/1+sinX
*Monday, November 7, 2011 at 7:24pm by Rachel*

**trig**

The displacement (in centimeters) of a particle moving back and forth along a straight line is given by the equation of motion s= 2 sin pi t + 3 cos pi t, where t is measured in seconds. (a) Find the average velocity during each time period: (i)[1,2] (ii) [1,1.1] (iii) [1, 1....
*Tuesday, September 23, 2008 at 8:40pm by Sarah*

**trig**

Write the expression and evaluate. There is only one answer whIch should match the range of the inverse trig function. Sec^-1(-2) I got 2pi/3 could someone tell me if that is right? And if not, could someone please explain how to get the answer.
*Monday, September 5, 2011 at 7:27pm by Charles*

**Trig**

How do i set this trig problem up? PLEASE help me. Find tan (s + t) given that sin s = 1/4, with s in quadrant 2, and sin t = -1/2, with t in quadrant 4.
*Monday, May 3, 2010 at 1:06am by Dave*

**Math - Trig**

Hi I have a Trig question that i dont understand, can someone please explain how to solve for it using cosine law?? A Clock with a radius of 15 cm has an 11 cm minute hand and a 7 cm hour hand. How far apart, to the nearest centimetre, are the tips of the hands at each time? a...
*Wednesday, April 30, 2008 at 10:39am by Mark*

**algebra-trig**

Can someone please explain to me how to graph sine and cosine step by step because I am so confused and I really really need help.
*Thursday, April 12, 2012 at 1:19pm by missy*

**algebra-trig**

Can someone please explain to me how to graph sine and cosine step by step because I am so confused and I really really need help.
*Thursday, April 12, 2012 at 1:19pm by missy*

**trig**

how would you verify this trig identity (1+cos(x) / 1-cos(x)) - (1-cos(x) / 1+cos(x)) = 4cot(x)csc(x) ? help please!
*Wednesday, June 25, 2008 at 5:25pm by amanda*

**trig**

please help me. use trig. identities to find the exact value. tan 25° + tan 5° / 1- tan 25° tan 5°
*Friday, April 30, 2010 at 10:07pm by ann*

**trig**

please help me. use trig. identities to find the exact value. tan 25° + tan 5° / 1- tan 25° tan 5°
*Friday, April 30, 2010 at 10:14pm by ann*

**Algebra**

ello i need help factoring I haven't had factorin sense Algebra one and now am in Algebra two and our school is screwed up were they shove in a year of Euclidean Geometry and Basic Trig inbetween first two years of Algebra... so i need to factor X^2-12X+35 I can sit there for ...
*Sunday, December 7, 2008 at 8:34pm by Algebra*

**Algebra-Trig Please Help ASAP**

A balloon isin the vertical plane of two consecutive milestones of a road. The angles of depression of the stones as viewed from the balloon are 15 degrees and 17 degrees. Find the height of the balloon if (a) the stones are on opposite sides of the balloon, (b) the stones are...
*Wednesday, February 15, 2012 at 9:07pm by Candy*

**algebra 2/trig**

x+5 1 ------- - 1= ------- x^2-2x x^2-2x
*Sunday, May 27, 2012 at 1:23pm by Anonymous*

**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*

**ALGEBRA 2 W/TRIG**

What is the slope for y=3/4x+1?
*Thursday, August 26, 2010 at 9:44pm by ashly*

**algebra 2 trig**

8/2+√6
*Monday, October 29, 2012 at 10:55am by Elizabeth*

**trig 30**

For csc^2 A-1/cot A csc A, what is the simplest equivalent trig expression? The answers I have to choose from are sin A, cosA, tan A or csc A, but I don't know how?? csc theta= 1/sin theta but its ^2. Help please I don't even no where to begin
*Wednesday, March 10, 2010 at 5:19pm by Tye*

**trig**

Write the expression and evaluate. There should only be one answer which should match the range of the inverse trig function. Sec^-1(-2) sec^-1(-sqrt2) Cos^-1((-sqrt3)/2) Tan^-1(-sqrt3) Could someone explain how to get the answer as well please.
*Saturday, September 3, 2011 at 3:57pm by Anonymous*

**algebra/trig**

solve: ln12x = 6
*Tuesday, March 1, 2011 at 3:03pm by carolyn*

**Trig Proofs**

Please Help: please solve this proof: cosx- cosy = -2sin(x+y/2)sin(x-y/2)
*Monday, April 27, 2009 at 8:27pm by Kim*

**Trig.**

Please solve this equation. As you write down the steps, please give me a description on what you did. y^3 - 16y^3/2 + 64 = 0
*Wednesday, January 9, 2008 at 8:55pm by Hellga*

**TRIG!**

Posted by hayden on Monday, February 23, 2009 at 4:05pm. sin^6 x + cos^6 x=1 - (3/4)sin^2 2x work on one side only! Responses Trig please help! - Reiny, Monday, February 23, 2009 at 4:27pm LS looks like the sum of cubes sin^6 x + cos^6 x = (sin^2x)^3 + (cos^2x)^3 = (sin^2x+cos...
*Monday, February 23, 2009 at 7:58pm by hayden*

**algebra with trig**

how do you solve an inequality and graph it's solution?
*Monday, September 29, 2008 at 7:07pm by Anonymous*

**algebra 2 / trig**

what is the square root of negative 150?
*Monday, May 24, 2010 at 6:57pm by Allison*

**algebra 2 trig**

express the product of (2/3x^2-1/2x) and (12x+4/5) as a trinomial
*Saturday, January 21, 2012 at 2:16pm by ally*

**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*

**trig**

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

**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**

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**

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

**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*

**trig**

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

**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**

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**

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**

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**

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*

**trig**

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

**Algebra 2 with trig**

Simplify the rational expression. 2x/x^2+4x+3 divided by 1/x+3 plus 2/x+1
*Thursday, November 6, 2008 at 6:24pm by Pari*

**algebra 2 trig**

i need to find out how to solve this problem: 9x+2 7 ---------- + --- 3x^2-2x-8 3x^2+x-4
*Sunday, September 27, 2009 at 5:26pm by eden*

**ALGEBRA 2 W/TRIG**

identify the equation of the line through (-7, 10) and horizontal
*Wednesday, August 25, 2010 at 9:16pm by ashly*

**ALGEBRA 2 W/TRIG**

identify the equation of the line through (-2, 1) and parallel to y = 3x + 1
*Wednesday, August 25, 2010 at 9:16pm by ashly*

**algebra-trig help asap**

x=sec^-1 2 I really need help with this problem. Thanks
*Wednesday, April 18, 2012 at 8:06pm by missy*

**algebra 2 trig**

if log3=a then log300 can be expressed as? 1) 100a 2)a+2 3)100+a 4)3a
*Saturday, January 4, 2014 at 4:54pm by nikki*

**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**

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**

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

**trig**

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

**Pre-calc, Algebra, Trig**

(2x squared-3x +1)(4)(3x+2)cubed (3)+(3x +2)raised to the 4 (4x-3) Simplify
*Tuesday, January 20, 2009 at 9:38pm by Josiah*

**Algebra 2 with Trig**

what is the index of three with the square root of negative 432
*Monday, November 22, 2010 at 7:18pm by Rekiesher*

**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*

**Algebra & Trig**

calculate the velocity of 10 meters per second with an angle of 30 degrees
*Wednesday, July 4, 2012 at 6:20pm by Hanna*

**trig**

Solve for x please? x/x+3 - 1/x+2 = x/2x+4
*Sunday, October 28, 2012 at 6:11pm by Robbie*

**trig**

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

**Trig**

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

**trig**

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

**trig 30**

Please help I need to solve the following question for x, where 0<x<2pi. and then write a general solution for the equation. The question is 2cos^2 x + cos x =1. I need to solve this using radian measurement. I solved it using algebra and was told I wasn't allowed. Could...
*Thursday, April 29, 2010 at 10:01pm by Rae*

**Algebra 2/trig**

How would I calculate the following function value? tan = 29degrees 36feet
*Saturday, May 15, 2010 at 1:00pm by Brenna*

**Algebra 2 / Trig**

Given cos X = -0.147, find two possible values for X that are not co-terminal.
*Sunday, May 15, 2011 at 2:44pm by Ashwin*

**Trig**

what are the rectangular coordinates of (-2(pi/6))? please help.
*Tuesday, May 22, 2012 at 11:25pm by BreAnne*

**trig 26**

simplify to a constant or trig func. 1. sec ²u-tan ²u/cos ²v+sin ²v 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*

**pre-cal/trig**

PlEASE hlep me with this!! I need it as soon as possible....... cos(x-(pi/4))+sin(x-(pi/4))=1 Find the answer from 0 to 2pi. When I slove this, I got cosx+sinx=(1/ square root of 2). then I don't know what to do the rest. Please help me.
*Tuesday, March 4, 2008 at 7:44pm by aa*

**Math- gr.12 Trig. **

Hi, could someone explain to me how to use a counterexample in trig to prove whether something is either an identity or equation? For ex. how would you do that with this question? sec^2x-tan^2x= cos x
*Monday, January 11, 2010 at 7:15pm by May*

**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*

**algebra-trig help asap**

Evaluate the expression. Assume that all angles are in quadrant 1. 1. cos(arccos4/5)
*Wednesday, April 18, 2012 at 4:42pm by missy*

**algebra-trig help asap**

Evaluate the expression. Assume that all angles are in Quadrant I. 14. tan(arccos 3/5)
*Wednesday, April 18, 2012 at 5:56pm by missy*

**trig**

Please evaluate cos 15 degrees
*Thursday, May 1, 2008 at 5:35pm by Priya*

**trig**

cos2(120degrees) help me solve this please
*Saturday, January 23, 2010 at 8:51pm by paula*

**alg2/trig**

The expression a/a-b + b/b-a is equivalent to a) 1 b)-1 c) ab/a-b d)a+b/a^2-b^2 please help!
*Thursday, October 13, 2011 at 8:36pm by jess*

**Algebra/trig**

How would i use my calculator to find the approximate value of the expression, cot 0.2748 rad
*Sunday, November 13, 2011 at 6:05am by Anonymous*

**Algebra 2/Trig**

I've done every other single question besides this one. (There was 12). I'm stumped and would really appreciate some help! I have to simplify this: 5/3sqrt(3-4) I am not sure if you have to conjugate the denominator and multiply it with the top and bottom, then simplify from ...
*Tuesday, January 8, 2013 at 7:33pm by Raelyn*

**Trig**

tan 75 (show all work please)
*Friday, February 18, 2011 at 9:42pm by Paige*

**Trig-help please**

Sin23=p write cos113 in terms of p
*Friday, April 6, 2012 at 1:33am by Piwo*

**trig**

What is the exact value of 11pi/8? (with steps please) :)
*Monday, April 30, 2012 at 9:55pm by Anonymous*

**trig**

Please help to find the value of: Sin 17 degree.
*Thursday, August 9, 2012 at 10:33pm by Anonymous*

**Trigonometry**

Use the trig Identities to find the other 5 trig functions. Problem 7.)Tan(90-x)=-3/8 8.)Csc x=-13/5 9.)Cot x=square root of 3 10.)Sin(90-x)=-.4563 11.)Sec(-x)=4 12.)Cos x=-.2351 I need HELP!
*Tuesday, January 5, 2010 at 4:09pm by Jennifer*

**trig**

combine fractions and simplify to a multiple of a power of a basic trig. function.? sin x/cot²x - sin x/cos²x
*Monday, March 15, 2010 at 5:37pm by hilde*

**trig**

I have heard that trig CAN be super easy, that there are just, like, 10 rules you need to memorize then all the problems are easy. ... Does anyone know what these are? Thanks!
*Monday, April 7, 2008 at 12:20am by jennifer*

**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*

**Algebra 2/Trig**

Solving Multivariable Linear Systems: 3x-5y+5z = 1 5x-2y+3z = 0 7x-y+z = 5 I am confused on how to solve this. I'm supposed to use the Row-Echelon form. Thanks.
*Thursday, February 26, 2009 at 8:36pm by Chris*

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