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October 25, 2014

Search: Alg2/Trig

Number of results: 3,375

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

alg2/trig
how would you express cos(75 as a single fraction?
April 26, 2012 by lisa

alg2/trig
Which expression is defined for all real numbers? a) x + 3/x^2 b) 5/(x + 2)^2 c)4/(x − 2)^2 d)7/x^2 + 3
October 2, 2011 by jaz

Alg2/Trig
Write the log as a single function: logx + 2logy - logz
April 19, 2012 by Alayna

alg2/trig
If 4x^2+9=kx, what value of k will produce equal roots? the answer is 12 but i dont understand how you get it, please help!
April 5, 2012 by lisa

alg2/trig
what is the smallest value of k that would make the roots of the equation x^2-2x-k imaginary? please help, no idea how to do this.
January 23, 2012 by lisa

MATH -
Permutation and combinations (Trig/alg2 class) In how many ways can all the letters in SEYCHELLES be arranged?
June 9, 2013 by Fort

Math Help
Permutation and combinations (Trig/alg2 class) In how many ways can all the letters in SEYCHELLES be arranged?
June 9, 2013 by Mary

alg2\trig
if a3= 17 & a8=37 are terms in annarithmetic sequece, fina a1 & d. the answer is a1=9 & d=4 but i dont understand how they got the answer, please help!
January 29, 2012 by dianela

alg2/trig
To the nearest minute, what is the approximate size of the smallest angle of a triangle whose sides are 4,5, and 8? How do I find the angle?
January 28, 2010 by Judy

Alg2/Trig
How would I go about solving this equation algebraically? Find the equation of the parabola y=ax^2 + bx+c that passes through the given points. (2,0) (3,-1) (4,0) Thanks.
March 5, 2009 by Chris

alg2/trig
1)3x^2-12x-21 solve by completing the square in simplest radical form 2) (1/x+3)-(2/3-x)=(4/x^2-9)find values of x 3)3/radical(3a^2b^4) is equivalent to 4) factor completely 27x^-75x^4
January 22, 2012 by alice

alg2/trig
starting salary for a job is $30,000 with a guaranteed raise of $5,000 each year for the first 5 years. write an explicit formula to represent how much money you would earn each year. please somone help!
February 1, 2012 by lisa

alg2\trig
a colony of 300 bacteria doubles each day. write an explicit formula to determine how many bacteria there would be on the nth day. how would you do this?
January 31, 2012 by jessica

alg2/trig
I got this question wrong on my test, and I have to correct it :/ How many permutations are there of all the letters in the word "TEXAS" ? The answer to this part is 120, but I have no idea on how to solve the second part without having to write it all down. *How many of these...
April 1, 2009 by Chris

Alg2/trig
Hi, I hope you guys don't mind if I post a couple probability questions. A child returns a five-volume set of books to a bookshelf. The child is not able to read, and so cannot distinguish one volume from another. What is the probability that the books are shelved in the ...
March 24, 2009 by Chris

Alg2/Trig
Find the exact value of the trigonometric function given that sin u = 5/13 and cos v = -3/5. (Both u and v are in Quadrant II.) Find csc(u-v). First of all, I drew the triangles of u and v. Also, I know the formula of sin(u-v) is sin u * cos v - cos u * sin v. However, I am ...
June 4, 2009 by Vincent

ALG2
why is (-125)^-2/3 1/25. why isn't it -1/25?
March 12, 2008 by Abby

alg2
for the graph: y>x^2+9 what is the range?
January 19, 2011 by exam tomorrow! help

Alg2
I need more help
December 4, 2011 by Rock

Alg2
Solve the system for z. 2x - y + 2z = 11 x - 2y - 3z = -5 -3x + z = -3
May 8, 2012 by Sira

alg2
how do i solve for: 2^(x+1) =9 3e^(x-8) +5=14 log2x=4 and ln(2x-5)=4? thanks!
May 19, 2012 by bkue

ALG2!
1.7 - 0.78>5 solve please
October 4, 2012 by tyneisha

alg2
Solve: 3x − 7 (sqrt x) + 2 = 0
January 20, 2011 by katie

Alg2
what is the # of possibilities of buying 2 CD's from 10 that are on sale?
November 30, 2011 by Rock

Alg2
what are the # of possibilities of buying 2 CD's from 10 that are on sale?
December 1, 2011 by Rock

Alg2
I need help with problem solving...
December 4, 2011 by Rock

ALG2
x2 + bx + c and ax2 + bx + c could you factor this and explain it.
February 29, 2012 by KAYG

Alg2
# of possibilities of arrangements for the word intercept?
December 3, 2011 by Rock

Math(alg2)
solve the exponential equation 5(2)^2x - 4 = 13 thanks
March 13, 2012 by Sammy

alg2
solve for 10/x^2-2x + 4/x = 5/x-2 3x/x+1 + 6/2x = 7/x 8(x-1)/x^2-4 = 4/x-2 check for any extraneous solutions! thanks!
May 19, 2012 by skye

ALG2!
-3K - 8 is less than or equal to 5k .....solve please
October 4, 2012 by tyneisha

Alg2
Rationalize the demoninator of each expression. (9y/x)^4 i have no idea how to do that
February 9, 2009 by Chopsticks

alg2
Describe the end behavior for the graph of y= 12x^6 + 4x^4 - x^3 + 6x +1
January 9, 2011 by morgen

Alg2
what is the number of possibilities of arrangements of the letters in the word intercept?
November 30, 2011 by Rock

Alg2
Solve the equation -5e^-x + 9 = 6 I subtracted 9 to both sides and got: -5e^-x= -3 < this is where I'm stuck at.
February 2, 2012 by Yolie

Alg2
Find a quadratic equation with integral coefficients having roots 1/2 and -5/2.
May 9, 2012 by Sira

Alg2
how many ways can 5 members of the 100 member US senate be chosen to be put on a committe?
November 30, 2011 by Rock

Alg2
How how I write the first six terms of this sequence? Please be detailed and thanks in advance :) f(n)= 3/-m
March 12, 2012 by Lily

Alg2
Find the value of c that will make the expression x^2-15x+c a perfect square. would c = 56.25 ?
May 7, 2012 by Cyn

alg2
run this program given in the lesson to find factors of a) 105, b) 197, and c) 7128 Describe in words the function of f(x) =x - [x]. x>0
September 11, 2008 by jerson

alg2 check
a.)write the equation of the line that has a slope of -2 and a y-int of -6. I don't understand if I use y=mx+b or not.how would I plug this in If im trying to get an answer?
July 18, 2013 by tyneisha

Alg2
i am realy lost as to how to do this alg 2 problem: find the two real-number solutions of each equation: x^2=100 Can you please explain how to do it? Thanks!:)
February 2, 2009 by amaya

ALG2
If Y varies inversely as X^2, determine what Y would be if X = 2 and another point on the equation is (1,8). The answer I got was y=1/2^2=1/4 I'm not sure I worked this out correctly, is this correct?
December 28, 2012 by Yvette B.

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

alg2 check?
1.)...(2x)(3x^3)? I said it was x=5 am I right?step by step plz? 2.)....(4xy^2)^3 im not sure about this one
July 11, 2013 by tyneisha

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

alg2 check
b.)write the equation of the line that passes through the point (-6,-2) and has a slope of -2/3. if im using y=mx+b then how would I plug in -2/3 since it is a fraction instead of a regular number?
July 18, 2013 by tyneisha

Alg2
How many ways can six different books be arranged on a shelf if one of the books is a dictionary and it must be on an end?
December 4, 2011 by Rock

Alg2
If the sum of a geometric series is 781, the number of terms is 5, the common ratio is 5 and the last term is 625, what is the first term a1?
January 15, 2012 by Embraced

ALG2! WORD PROBLEM!
define a variable and write an inequality for each problem.then solve. Nineteen more than a number is less than 42.
October 4, 2012 by tyneisha

alg2 help
[4x/ 3y]^2 it should look like 4x over 3y in parenthesis ^2 at the top right. please take me step by step I got 1.6
July 14, 2013 by tyneisha

alg2 check?
solve for n:6(5n-1)=2(15n-3) I got 30n-6=30n-6 but I think I was suppose to keep going but don't know how. Do I divide or multiply
July 15, 2013 by tyneisha

alg2 check?
solve: 2x+2(x+3)=2(x+7) what I got was x=4 but I really think I calculated wrong. Can you show me the step by step process please?
July 18, 2013 by tyneisha

Alg2
Zeus Industries bought a computer for $2500. It is expected to depreciate at a rate of 20% per year. What will the value of the computer be in 2 years?
December 6, 2011 by Rock

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 =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
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

Alg2
Radioactive iodine is used to determine the health of the thyroid gland. It decays according to the equation y=ae -0.0856t where t is in days. Find the half-life of this substance. Round to the tenths place.
December 6, 2011 by Rock

Alg2
Radioactive iodine is used to determine the health of the thyroid gland. It decays according to the equation y=ae -0.0856t where t is in days. Find the half-life of this substance. Round to the tenths place.
December 8, 2011 by Rock

Alg2
A piece of wood discovered in an archaeological dig was found to have lost 62% of it's carbon-14. Carbon-14 has a half-life of 5630 years. Determine it's age.
June 1, 2010 by Cal

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

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

alg2 check?
Graph the system of inequalities then substitute the (x,y)order pair into both inequalities. y>3x+1 y<-2/3x+4 (second one has a line under the arrow) I don't get what they are asking for? if they want me to solve it how am I suppose to set it up?
July 18, 2013 by tyneisha

Alg2
Help...Please... You buy a commemorative coin for $25. The value of the coin increases 3.25% per year. How much will the coin be worth in 15 years? Round to the nearest cent.
December 12, 2011 by Rock

Alg2
Please Help... You buy a commemorative coin for $25. The value of the coin increases 3.25% per year. How much will the coin be worth in 15 years? Round to the nearest cent.
December 13, 2011 by Rock

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

Alg2
A geometric sequence has a common ratio of 4. If the fifth term in the sequence is 2256, what is the second term?
May 9, 2012 by Anon

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

ALG2! WORD PROBLEM!
define a variable and write an inequality for each problem.then solve one half of a number is more than 6 less than the same number.
October 4, 2012 by tyneisha

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

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