Question

What value of θ makes this equation true? sin(30) = cos(θ)
-30
30
60
180

Answer 1

60 and 30

Explanation:

Plug in each number into cos(θ) until your answer is 0.5 since sin(θ) is equal to 0.5.

sin(-30)=-0.5

sin(30)=0.5

sin(60)=0.5

sin(180)=0