Question

If the cos 30° = square root of 3/2 , then the sin 60° = _____.

Answer 1

\[\sin \theta=\cos \left( 90-\theta \right) \]
\[put \theta=60 \]

Answer 2

so its 0 ?

Answer 3

How ?

Answer 4

here is the triangle




what do you think sin(60) is ?