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September 23, 2014

Search: algebra/trig help please

Number of results: 77,036

algebra/trig help please
is this graphable??? y=x^2-4x-2
November 16, 2011 by bunny

algebra-trig help ASAP
Can someone please help me understand how to graph y=3cos(x/4)-5
April 12, 2012 by missy

trig
How do you solve cos(2arcsin 1/4) using inverse trig. functions??!! PLEASE HELP ME!
May 9, 2011 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
January 19, 2012 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
January 19, 2012 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.
August 7, 2008 by David

algebra/trig
simplify using properties of exponents ? (2y^1/5)^4 ---------- y^3/10 what would that be please hlepp
August 31, 2009 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
December 17, 2011 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
April 12, 2007 by raychael

algebra/trig
1.Find the domain f(x)=(x^(2)-9) 2. Find all six trig functions for (-3,4)
June 8, 2011 by Mike

Trig
Im having serious issues with verifying Trig. identities. Please help! Here is an example: (tanX-secX)^2= 1-sinX/1+sinX
November 7, 2011 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....
September 23, 2008 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.
September 5, 2011 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.
May 3, 2010 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...
April 30, 2008 by Mark

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!
June 25, 2008 by amanda

trig
please help me. use trig. identities to find the exact value. tan 25 + tan 5 / 1- tan 25 tan 5
April 30, 2010 by ann

trig
please help me. use trig. identities to find the exact value. tan 25 + tan 5 / 1- tan 25 tan 5
April 30, 2010 by ann

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.
April 12, 2012 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.
April 12, 2012 by missy

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...
February 15, 2012 by Candy

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 ...
December 7, 2008 by Algebra

algebra 2/trig
x+5 1 ------- - 1= ------- x^2-2x x^2-2x
May 27, 2012 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
December 5, 2011 by Joshua

ALGEBRA 2 W/TRIG
What is the slope for y=3/4x+1?
August 26, 2010 by ashly

algebra 2 trig
8/2+√6
October 29, 2012 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
March 10, 2010 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.
September 3, 2011 by Anonymous

algebra/trig
solve: ln12x = 6
March 1, 2011 by carolyn

Trig Proofs
Please Help: please solve this proof: cosx- cosy = -2sin(x+y/2)sin(x-y/2)
April 27, 2009 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
January 9, 2008 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...
February 23, 2009 by hayden

algebra with trig
how do you solve an inequality and graph it's solution?
September 29, 2008 by Anonymous

algebra 2 / trig
what is the square root of negative 150?
May 24, 2010 by Allison

algebra 2 trig
express the product of (2/3x^2-1/2x) and (12x+4/5) as a trinomial
January 21, 2012 by ally

trig
What kind of reflections are the following trig functions? y = 3cos(x-1) y = sin(-3x+3) y = -2sin(x)-4
April 21, 2008 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)
April 21, 2008 by Amandeep

trig
express the trig. ratios sinA,secA n tanA in terms of cotA.
May 7, 2011 by Anonymous

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

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

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

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

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

trig
find the 5 trig ratios when sin theta = -5/13 and lies in quadrant 3
September 14, 2011 by karen

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

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

Trig
find the exact values of the six trig functions of angle... sin(-315degrees) how do i do this?
September 1, 2011 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?
September 16, 2009 by Anonymous

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

trig
if (-12,5) is a pointon the terminal side of an angel 0 find the exact value of six trig funcation of 0
June 19, 2014 by sal

trig
what is the exact value of 7pi for all trig func.?
February 1, 2010 by claire

Trig
Find (if possible) the trig function of the quadrant angle.
June 6, 2011 by Master chief

trig
write a product of two trig functions that equals 1.
November 6, 2011 by Dani

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

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

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

Algebra 2 with trig
Simplify the rational expression. 2x/x^2+4x+3 divided by 1/x+3 plus 2/x+1
November 6, 2008 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
September 27, 2009 by eden

ALGEBRA 2 W/TRIG
identify the equation of the line through (-7, 10) and horizontal
August 25, 2010 by ashly

ALGEBRA 2 W/TRIG
identify the equation of the line through (-2, 1) and parallel to y = 3x + 1
August 25, 2010 by ashly

algebra-trig help asap
x=sec^-1 2 I really need help with this problem. Thanks
April 18, 2012 by missy

algebra 2 trig
if log3=a then log300 can be expressed as? 1) 100a 2)a+2 3)100+a 4)3a
January 4, 2014 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
April 21, 2008 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
April 21, 2008 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
July 27, 2010 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
March 1, 2011 by Anonymus

trig
how to i find the six trig values for (7pi/3)
January 12, 2010 by Rak

trig
what's the single trig. function of cos6xcosx-sin6xsinx
May 17, 2012 by MIK

Pre-calc, Algebra, Trig
(2x squared-3x +1)(4)(3x+2)cubed (3)+(3x +2)raised to the 4 (4x-3) Simplify
January 20, 2009 by Josiah

Algebra 2 with Trig
what is the index of three with the square root of negative 432
November 22, 2010 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.
February 21, 2011 by Anonymous

trig
Solve for x please? x/x+3 - 1/x+2 = x/2x+4
October 28, 2012 by Robbie

Algebra & Trig
calculate the velocity of 10 meters per second with an angle of 30 degrees
July 4, 2012 by Hanna

trig
What is the range of the trig function sin(-3x+3)?
April 21, 2008 by Chaitanya

Trig
Trig Identity. 1-sin^2x/1-cosx
May 15, 2011 by Jill

trig
write 2+2 squareroot of 3i in trig form.
May 17, 2012 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...
April 29, 2010 by Rae

Trig
what are the rectangular coordinates of (-2(pi/6))? please help.
May 22, 2012 by BreAnne

Algebra 2/trig
How would I calculate the following function value? tan = 29degrees 36feet
May 15, 2010 by Brenna

Algebra 2 / Trig
Given cos X = -0.147, find two possible values for X that are not co-terminal.
May 15, 2011 by Ashwin

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...
March 14, 2010 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.
March 4, 2008 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
January 11, 2010 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
December 11, 2011 by Josh

algebra-trig help asap
Evaluate the expression. Assume that all angles are in quadrant 1. 1. cos(arccos4/5)
April 18, 2012 by missy

algebra-trig help asap
Evaluate the expression. Assume that all angles are in Quadrant I. 14. tan(arccos 3/5)
April 18, 2012 by missy

trig
Please evaluate cos 15 degrees
May 1, 2008 by Priya

trig
cos2(120degrees) help me solve this please
January 23, 2010 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!
October 13, 2011 by jess

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 ...
January 8, 2013 by Raelyn

Algebra/trig
How would i use my calculator to find the approximate value of the expression, cot 0.2748 rad
November 13, 2011 by Anonymous

Trig
tan 75 (show all work please)
February 18, 2011 by Paige

Trig-help please
Sin23=p write cos113 in terms of p
April 6, 2012 by Piwo

trig
What is the exact value of 11pi/8? (with steps please) :)
April 30, 2012 by Anonymous

trig
Please help to find the value of: Sin 17 degree.
August 9, 2012 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!
January 5, 2010 by Jennifer

trig
combine fractions and simplify to a multiple of a power of a basic trig. function.? sin x/cotx - sin x/cosx
March 15, 2010 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!
April 7, 2008 by jennifer

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

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

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