posted by NN


  1. bobpursley

    change cos^2 to 1-sin^2, regroup, and solve the quadratic equation .

Respond to this Question

First Name

Your Answer

Similar Questions

  1. Trigonometry

    Need help solving problems using the Trigonometric Identities: 8cos^4 thet=cos4theta+4cos2theta+3 I am a bit unsure how to solve it. I am aware that the first step I must take is to simplify the problem and then use the Product to …
  2. pre-cal

    What are the steps for solving this? Directions Use the quadratic formula to solve the equation in the interval [0,2PI). Then use a graphing utility to approximate the angle x. 4cos^2x-4cosx-1=0 thanks.
  3. Pre-Cal

    Hi, can someone please solve this step-by-step for me?
  4. pre calc

    solve the equation 1+4sin(x)=4cos^2(x)
  5. pre cal 2

    solve the equation 4cos^2x-1=0

    In Seattle on September 30, the temperature hours after midnight was given by the function y=60 + 12sin((pi/x)(x-11)) What was the average temperature over the period from 8 A.M. until 10 P.M.?
  7. Calculus

    Find f'(x) if f(x)=sin^3(4x) A. 4cos^3(4x) B. 3sin^2(4x)cos(4x) C. cos^3(4x) D. 12sin^2(4x)cos(4x) E. None of these I got D using the chain rule?
  8. Calculus

    Sketch the region enclosed by the curves given below. Decide whether to integrate with respect to x or y. Then find the area of the region. y=4cos(x),y=4−8x/π. I thought it was the integral of 4cos(x)- the integral of 4- …
  9. Pre-cal

    Solving the principle values of x of the equation 4cos^2x-3=0
  10. Calc III

    Express the volume of the solid that the cylinder r = 4cos(theta) cuts out of the sphere of radius 4 centered at the origin with a triple integral in cylindrical coordinates. I have already found the intervals, but I cannot solve it. …

More Similar Questions