Consider the equation 4 sin x = 2. (a) Find all solutions in the interval 0, π 2 . (b) Find all solutions in the interval [0, 2π). (c) Find the general solution. (Let n be any integer)

Answer 1

sin x = 1/2

x = 60,120 or x=pi/3 and (2/3)pi

multiples of pi/3 + 2n pi