3. Unit Circle

Identify the reference angle of each given angle.

120°

For each expression, identify which coterminal angle to use & determine the exact value of the expression.

$\(\tan\)765\(\degree\)$

Identify what angle, $\(\theta\)$ , satisfies the following conditions.

$\(\cos\]\theta\)=\(\frac{\sqrt3}{2}\)$; $\(\sin\]\theta\)$ < $0$