March 30, 2017

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Number of results: 4,308

9/x + 9/x-2= 12
January 21, 2013 by christina

alg and trig
6x^3-5x^2+15x+5 / 2x^2-x+3
February 2, 2011 by Katie

Alg & Trig 2
find the sum of 1/2, 2/7x, and 5/x
November 5, 2010 by Tiffany

Alg & Trig 2
find the sum of 1/2, 2/7x, and 5/x
November 5, 2010 by Tiffany

Alg. II/Trig
If m and n are real numbers, i^2=-1, and (m-n)-4i=7+ni, what is the value of m?
November 18, 2011 by Lily

Square root of 300
August 15, 2010 by lola

Write an equation of a circle with center (2, 3) and radius 4.5.
July 6, 2012 by Hester

Alg/2 Trig
Given the functions f(x)=-x^2+7 and g(x)=3x+4 find f(g(-5)) Write the composition above using an alternative notation.
September 26, 2011 by Alexis

math (advanced alg and trig)
Solve to the nearest minute: x is greater than or equal to 0 and less than 360. 3sec^2 x-8tan-6=cotx
March 28, 2010 by Anne

Math- Adv. Alg. w/ Trig.
I need help simplifying this expression: (3x^3y^5 + 6x^2y^-2/6x^5y^-2)^2 (3x^3y^5 + 6x^2y^-2/6x^5y^-2)^2 the second term has a y^-2 in the numerator and denominator, so.. (3x^3y^5 + 6x^2 /6x^5 )^2 (3x^3y^5 + 1 /x^3 )^2 I am not certain much more can be done to simplify it.
May 18, 2007 by Courtney W.

ALG 2/Trig
A new $12,000 automobile decreases in value every year. What is it's value 7 years from now?
January 12, 2008 by Kyla

math i need help
What is the simplified form of each expression? 1. Alg 1 (1 point) A.Alg 1 B.n4 *** C.n8 D.n12 i think it's B
January 21, 2016 by freddy

Alg II/Trig
A parabola has a vertex at (0,0); a horizontal axis; and the point (12,6) is on the parabola. Write the equation of the parabola in standard form.
February 22, 2009 by Sara

If h= -16t^2 + 112t represents the height of a​ rocket, in​ feet, t seconds after it was​ fired, when will the rocket hit the​ ground? (Hint: The rocket is on the ground when h equals=​0).
February 5, 2017 by Sydney

pre alg
How do u find the GCF with exponets in a 7th gr. pre alg. class?
January 11, 2009 by tay

Math Course
I was thinking about math courses for next year, and I do not know what I'm going to take. What is the differences between Alg 3 and Advanced math? And also, and does Trig involve? And I'm too scared of calculus to take it.
February 27, 2009 by Chopsticks

Alg 2 trig
Write a sine equation for period= pie, amplitude=1/2, vertical shift up 1 and phase shift left pie/4. How would the equation be written?
March 9, 2012 by Nicole

Adv. Alg/Trig
How would you solve tan(-335) without using a calculator? I got it to tan(25) but that's not one of the ones on our chart, and I'd use a sum or difference identity but we never learned one for tangent, if one exists.
June 3, 2008 by Katie

Alg 2/trig
I am doing Geometric sequences, but I cannot figure out how to find the Nth term of a geometric sequence. The problem is A1 = 64, Ak+1 = 1/2Ak (That is supposed to be A sub one, A sub k + 1, etc.) The formula for finding the equation is: An = A1 x R^n-1 The answer is: An = 128...
March 11, 2009 by Christopher

Alg II
So in our Alg II class we're studing variables and functions, and from the situation given we are to figure out the equation. "In a lighting storm, the time interval betwee the flash ad the bang (f) is directly proportional to the distance between you and the lighting (m)." ...
September 24, 2009 by Rylie

Alg 2/trig
I have the answers to the question, but I have no on how to get the answers. State the quadrant in which theta lies. Cos X < 0 and Sin X > 0 (Answer is 2) Tan X < 0 and Sin X < 0 (Answer is 4) Cos X > 0 and Tan X > 0 (Answer is 1) Cot X < 0 and Sec X < ...
April 29, 2009 by Chris

The angle of elevation from a point on the ground to the top of a tree is 39.8 degrees. The angle of elevation from a point 51.7 ft farther back to the top of the tree is 19.7 degrees. Help find the height of the tree.
February 26, 2014 by Anonymous

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

1. what trig function has an amplitue of 1 and negative values for angles between π/2 and π? 2. what trig function never crosses the x-axis and has a value of 2 at π/6? are these correct? 3. what trig function has a period of π and is undefined for -π/...
September 28, 2015 by anon

could someone please refresh my memory of the basic trig functions? ex) cos^2 + sin^2 = 1? That is a trig identity.
April 12, 2007 by raychael

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

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

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

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

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

I cannot seem to get the right answer. Animal Pulse Rate According to one model, an animal’s heart rate varies according to its weight. The formula N(w)=885w^-1/2 gives an estimate for the average number N of beats per minute for an animal that weighs w pounds. Use the ...
March 6, 2012 by Lost

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

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

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

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

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

Does anybody know a good website that will help me with finding the six trig functions of a point NOT on the unit cricle?
September 16, 2009 by Anonymous

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

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

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

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

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

Alg 1
The popultion of Medford High is 800 students & the population of WEstville High is 1240 students. Medfords pop. has been increasing by 30 students per year, while westville has been decreasing by 25 students per year. In how many yearas will the populations be the same. how ...
March 9, 2011 by Casey

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

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

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

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

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

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

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

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

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

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

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

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

Please help me with trig.
One more problem.. Given sin t= 3/11 and cos t<0, find the values of the remaining 6 trig functions.
January 27, 2016 by Jane

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

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

Adv. Alg. w/Trig.
I need help writing equations for these two word problems: 1. On June 30th, Mr. Hester will be given $1,000,000 and in July, Mr. hester will be paid $100,000 per day. 2. On June 30th, we will set up an account for Mr. Hester starting with $0.05. Every day in July, the ...
May 28, 2007 by Courtney

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

how do i solve two step equations? Do you mean two equations in two unknowns? The method of substitution is one way. There is a good tutorial here:
January 18, 2007 by megan

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 ...
March 14, 2010 by hilde

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

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

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

write 2+2 squareroot of 3i in trig form.
May 17, 2012 by ky

Lost is an understatement..please help me understand this. Orbits and Distance Johannes Kepler (1571–1630)discovered a relationship between a planet’s distance D from the sun and the time T it takes to orbit the sun. This formula is , where T is in Earth years and ...
March 6, 2012 by Lost

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

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

alg 2.
Why is ln(e^-2) = -2. Why doesn't it = e^-2??
May 8, 2008 by Miley

alg 2
ln(2x+1)=5. how do i do this?
June 16, 2008 by MILEY!:)7

alg 2
2/3e^4x +1/ do i do this
June 16, 2008 by URGENT!!!!!!!!!

Alg 2
(x^2 + 2x - 4)^2 - (x^2 - 2x - 4)^2
October 8, 2008 by zam

January 16, 2009 by tony walker

(2x/2x) + 1 == 1?
February 14, 2009 by Chopsticks

alg 2
X-4z=13 5x-4y+z=-7 -5x-5y+2z=22
October 24, 2011 by boss

5x-10/5 ?
July 10, 2013 by bill

1 r = 1 r1 + 1 r2 for r2
April 4, 2014 by T

Algebra word problems
The area of a rectangle is found by multiplying the length by the width: A=lw. A certain rectangle has an area os x^2+7x +12. Factor the trinomial to find the length ad width of the rectagle. Please read at this site: ...
January 23, 2007 by deborah

Alg 2
what is (7x-6)(7x-6)=120
November 8, 2007 by Sarah

alg 2
what is the PRODUCT?
June 16, 2008 by MILEY!:)7

is -6 a solution of -3k=12-k?
October 4, 2009 by jerson

how do you simplify 7[-4+8(-5+3)]
December 15, 2009 by jerson

Solve: 2 / x - 1 - 3/4 = 5 / x - 1 a) -2 b) 2 c) 3 d) -3
July 1, 2010 by sean

solve: 1 / x + 2 + 1 / x - 2= 1 / x^2 - 4 a)-2 b) 2 c)-1/2 d) 1/2
July 2, 2010 by sean

solve: 2 / x - 1 - 3/4 = 5 / x - 1 a) -3 b) 3 c) 2 d) -2
July 2, 2010 by sean

Alg. 1
September 13, 2010 by Laura

alg 2
December 8, 2010 by katelyn

alg 2
simplify (x^3/4)^3
January 20, 2011 by katie

pre Alg
January 4, 2012 by Riley

solve: x + 8 = 2(x-2) - x
August 31, 2012 by Mitch

−(6p + 12
July 10, 2013 by bill

(7 − i)(2 + i)
April 18, 2014 by alg

alg 2
xsquared= e (to the x)-2.4
February 29, 2016 by cameron

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

I am currently taking a trig class. I need help understanding how to solve for sin,cos, and tan in problems which give an angle and a side length or the hypotenus. Any help would be muchly appreciated
February 11, 2015 by Ben

combine fractions and simplify to a multiple of a power of a basic trig. function.? sin x/cot²x - sin x/cos²x
March 15, 2010 by hilde

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

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

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

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