If 180°<θ<270°, and sin⁡ θ=-3/4, what is the value of sin(−θ)?

Question

If 180°<θ<270°, and sin⁡ θ=-3/4, what is the value of sin(−θ)?

Answer 1

Hello Alice!

The function sin is an odd function, which means that sin(-θ) = -sinθ, no matter the value of θ

So sin(-θ) = 3/4