Question

find the value of x of sin^2 x=3/2

Answer 1

sin^2x=3/2,

sinx=√3/2,

x=60°

Answer 2

sin^2x={root(3/2)}^2
x=n.pi+(-1)^nsin^-1 {root(3/2)}
and x=n.pi+(-1)^n sin^-1 [-{root (3/2)}]