Sections:

Trigonometric Identities and Equations, Page 28

Homework 4

20 points

Complete your homework and submit it to your instructor.

  1. Solve: 2 cos2 x - 3 cos x + 1 = 0 for 0 is less than or equal to x is less than 2pi.
  2. Solve: 2 sin x - 1 = 0 for 0 degrees is less than or equal to x is less than 360 degrees.
  3. Solve: sin2 x = cos2 x for 0 degrees is less than or equal to x is less than 360 degrees.
  4. Solve: sin x - 2sin x cos x = 0 for 0 is less than or equal to x is less than 2pi.