Sunday

April 26, 2015

April 26, 2015

Number of results: 3,965

**alg/trig**

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*

**adv.alg/trig **

Square root of 300
*August 15, 2010 by lola*

**Alg/Trig**

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*

**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*

**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*

**Alg/Trig**

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*

**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*

**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*

**ALG/TRIG**

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 formula...
*March 6, 2012 by Lost*

**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*

**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**

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

**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 è=2ð/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**

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*

**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*

**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*

**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*

**math**

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: http://www.themathpage.com/alg/simultaneous-equations.htm
*January 18, 2007 by megan*

**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*

**ALG/TRIG**

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 corresponds ...
*March 6, 2012 by Lost*

**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*

**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 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...
*March 14, 2010 by hilde*

**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 +1/3=4...how 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*

**alg**

2(-3^8-9)x9
*January 16, 2009 by tony walker*

**Alg**

(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*

**alg**

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

**ALG**

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

**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 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: http://www.themathpage.com/alg/factoring-trinomials.htm ...
*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*

**alg**

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

**alg**

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

**alg**

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

**alg**

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*

**alg**

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

**Alg. 1**

10x-5=21-3x
*September 13, 2010 by Laura*

**alg 2**

3x^2-243=
*December 8, 2010 by katelyn*

**alg 2**

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

**pre Alg**

3(g-3)=6
*January 4, 2012 by Riley*

**Alg**

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

**alg**

−(6p + 12
*July 10, 2013 by bill*

**alg**

(7 − i)(2 + i)
*April 18, 2014 by alg*

**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**

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*

**trig**

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*

**Math-Alg**

Simplify [(1-3y)/y]/(9/y^2)-1
*September 26, 2007 by Anonymous*

**alg 2**

what is the foci of the ellipse (x+5)^2/4+(y-1)^2/16=1
*June 6, 2008 by amie*

**alg**

find the inverse of y=6x + 3
*September 23, 2008 by jerson*

**alg.2**

square root of X + 3 =12
*January 26, 2009 by need help*

**Alg 2**

X^1/3 - 2/5 = 0 x^1/3 = 2/3 x= 2/3^(1/3) x=1.38 is that right? Also (x-4)^3/2 = -6 How do you do that?
*February 2, 2009 by Chopsticks*

**alg 1**

factor 3x^2y-9xy^2
*March 30, 2009 by Coty*

**Alg**

6m/2m would this equal 4m or 3m
*June 8, 2010 by Amy~*

**alg**

Multiply: 8r + 16 / 24r - 24 * 6r - 6 / 3r + 6 a) 2/3r b) 2/3 c) 2 d) 2(r + 2) / 3r b
*June 29, 2010 by sean *