Solve the following equations for , in the interval 0 < < 360: a. 3 sin

Solve the following equations for θ, in the interval 0 < θ < 360°:
a. √3 sin θ = cos θ 

b. sin θ + cos θ = 0 

c. 3 sin θ = 4 cos θ

d. 2 sin θ − 3 cos θ = 0 

e. √2 sin θ = 2 cos θ 

f. √5 sin θ + √2 cos θ = 0