Help with solving trigonometric equations: 2 sin theta - cos theta = 0

please help.

2 sin(theta) = cos (theta)

2sin(theta)/cos(theta) = 1

tan (theta) = 1/2

tan^(-1) (1/2) = theta which is approximately 0.463647 radians or 26.57 degrees

2sinA=cosA , tanA=1/2 , A=26.6+180k , k is an integer