12. Trigonometric Functions

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

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

Evaluate each expression.

$\cot\left(\frac{11\pi}{6}\right)$

Evaluate each expression.

$\csc225\degree$

Evaluate each expression.

$\sec\left(\frac{\pi}{3}\right)$