Question

Find the value of the following
a) sin (-30)⁰​

Answer 1

$sin \: ( - 30 \degree)$

$\therefore \: sin( - \theta) = - sin \theta$

$sin( - 30 \degree) = - sin \: 30\degree \\ = - \frac{1}{2}$

Answer 2

Answer:

-1/2

Explanation:

Sin(-30)°

Sin(-π/6)°

-Sin π/6 °

-1/2