Question

Use a graphing utility to approximate the solutions of the equation in the interval [0, 2π). (Enter your answers as a comma-separated list. Round your answers to four decimal places.)
2 cos( x − 9π/2)= 2 sin^2(x)
What is value of X?

Answer 1

Use a graphing utility


See attached file
 The value  of X in the interval  [0, 2π) are

X1=0
X2=π/2-----1.5708
X3=π------- 3.1416

Values of X  (0,1.5708,3.1416)