12/12/13

how do you simplify cos^2xcot^2+cos^2x
This is for my trig class and the directions say to use the fundamental trigonometric identities to simplify the expression. Please help!
Follows • 2
Expert Answers •1

12/12/13

2sec^x-2sec^2x sin^2x
i've done problems like this before, but i was always able to change a term to cancel out something
Follows • 2
Expert Answers •2

12/11/13

Q2 POW #3 -Trig Identities
1) given the double angle identity for cosine: cos2θ=cos2θ-sin2θ      Prove: cos3θ = cos3θ - 3cosθsin2θ         and: cos4θ = cos4θ - 6cos2θsin2θ + sin2θ 2) Continue this process, finding an... more
Follows • 3
Expert Answers •2

12/05/13

How long will it be before there is 1 full box of leotards cut and waiting for their side seams to be stitched?
This the complete problem I need help with: Albert and Po work in a factory that makes leotards. Albert cuts out the material, and Po stitches the side seams. Albert can cut the parts for 1 box of... more
Follows • 2
Expert Answers •1

12/05/13

tan4t+tan2t=sec4t-sec2t
tan4t+tan2t=sec4t-sec2t
Follows • 3
Expert Answers •2

12/05/13

just need help solving this question
If the government finances $104 billion worth of 15-year bonds at a fixed rate of 3.8% compounded quarterly, how much would it have to pay back when the bonds mature?
Follows • 3
Expert Answers •3

12/04/13

what is the limit of this problem?
Lim h-->0 (((.5 + h)5) - ((.5)5))/h
Follows • 2
Expert Answers •2

12/04/13

9^1/4 / 9^3/4 solve
This problem has become a thorn in my backside, I need help in solving it and explaining it. Thank you
Follows • 2
Expert Answers •1

12/04/13

find the domain
(d) Find the domain of the function   f(x)=ln(8−2^x2)
Follows • 2
Expert Answers •1

12/04/13

(cos^2x+1+sinx)/(cos^2x+3)=(1+sinx)/(2+sinx)
I'm asked to verify this identity. I've been going at it for a hour now with no successful results. 
Follows • 3
Expert Answers •2

12/03/13

Find the quadratic function with vertex (1, -4) and passing through the point (2, -3).
Find the quadratic function with the vertex (1, -4) and passing through the point (2, -3).
Follows • 3
Expert Answers •2

12/03/13

how to integrate arc tangent x
i don't know what are the techniques in integrating in calculus
Follows • 3
Expert Answers •2

12/02/13

derivative
x^2+xy^2+y^3=2cot y
Follows • 2
Expert Answers •1

12/02/13

Square feet less a fraction
The area of a room is 99-3/7 square feet.  The area of the kitchen is 1-3/4 the area of room.  If the length of kitchen is 14-1/2 feet how wide is the kitchen?  I have no idea where to even start,... more
Follows • 4
Expert Answers •3

12/02/13

Ben saved 3/4 as much each month as he saved the month before and he saved $45 in march how much did he save in the January before?
Ben saved 3/4 as much each month as he saved the month before and he saved $45 in March, how much did he save the January before?    I thought it would be $30 in February and $10 in January, is... more
Follows • 2
Expert Answers •1

12/02/13

determine, find, and graph...............
Given f(x)=5x+8. (a) Determine whether f(x) is one-to-one. (b) Find a formula for its inverse. (c) Graph f(x) and f^(-1) (x) on the same axis
Follows • 2
Expert Answers •1

12/02/13

Use the definition of inverses
Use the definition of inverses to determine whether f(x)=(5x-3)/(2x+1) and g(x)=(x+3)/(5-2x) are inverses
Follows • 2
Expert Answers •1

12/02/13

Suppose you have an isosceles triangle
Suppose you have an isosceles triangle, and each of the equal sides has a length of foot. Suppose the angle formed by those two sides is 45 degrees . The area of the triangle is 0.3536 square... more
Follows • 3
Expert Answers •2

12/02/13

what is the quotient and remainder of 9x^6-6x^4+7x^2+7 divided by -2 using synthetic division
Using Synthetic division what is the quotient and remainder  of: 9x^6-6x^4+7x^2+7 divided by x-2?
Follows • 3
Expert Answers •2

12/02/13

find the amplitude, period and the phase shift
find the amplitude, period and phase shift of  y=2sin ((2/3)x-pi/6)
Follows • 3
Expert Answers •2

12/01/13

can someone please help me with this Calculus question? i would really appreciate it!
let f(x)=x^2+sinx. calculate g(pi^2) and g'(pi^2) where g is the inverse of f
Follows • 3
Expert Answers •2

12/01/13

Calculus Question.Please help!!
Given the equation y^2=x. which of the following is correct. justify your answer. a) y is a function of x b) for every x, y=squarerootx c) y is not differentiable at x=0 d) the tangent line to... more
Follows • 2
Expert Answers •1

12/01/13

how do you change 40 mph for 4 hours to hundred of miles
I am doing a math project and just do not understand it.. it's for a college algebra class. I am predicting weather patterns. The equation I got is f(x) = 1/20(x)^2 where x is in hundreds of miles.... more
Follows • 2
Expert Answers •1

12/01/13

I thought this question is really hard and I need help with it so can someone please help me
a point P is moving along the curve y=radical x^2+5 when P reaches the point (2,3) y is increasing at a rate of 1 unit/sec at what rate is x increasing A) 3/2, B) 2/3 , C) radical 3 divided by 2,... more
Follows • 2
Expert Answers •1

12/01/13

Find the y-intercept?
  Find the y-intercept of the tangent line to the curve y=sqrt(x^2+33). The answer is 33/7.
Follows • 2
Expert Answers •1

Still looking for help? Get the right answer, fast.

Ask a question for free

Get a free answer to a quick problem.
Most questions answered within 4 hours.

OR

Find an Online Tutor Now

Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.