9. Unit Circle

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\)$ < $0$

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

$\(\cos\[\left\)(-\(\frac{10\pi}{4}\]\right\))$

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.

$\(\sin\]\frac{7\pi}{3}\)$

Identify the reference angle of each given angle.

$\(\frac{7\pi}{4}\)$ rad

Identify the reference angle of each given angle.

210°

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

$\(\sin\]\theta\)=\(\frac\)12$; $\(\tan\]\theta\)$ < $0$

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

$\(\tan\]\theta\)=-1$; $\(\cos\]\theta\)$ > $0$