Solve for theta

Question

sin2theta-costheta=0

use comas to separate as needed

Answer 1

sin(2θ) - cosθ = 0

2sinθcosθ - cosθ = 0

cosθ(2sinθ - 1) = 0

cosθ = 0 or sinθ = 1/2

Solutions in the interval [0, 2π]:

cosθ = 0 when θ = π/2, 3π/2

sinθ = 1/2 when θ = π/6, 5π/6