In the interval 0<x<pi find the values that satisfy the equation cos2x-sinx=0
( the < are less than or equal to, however i was unable to enter this symbol into the text box so am writing it here instead)
answers:
a. 0, pi/3
b. pi/6, 5pi/6
c. pi/3, pi
d. 0, pi/6, pi/3, pi/2
