5. Inverse Trigonometric Functions and Basic Trigonometric Equations

Evaluate the expression.

$\(\cos\]\left\)(\(\sin\)^{-1}1\(\right\))$

Evaluate the expression.

$\(\sin\)^{-1}\(\left\)(\(\cos\[\frac{2\pi}{3}\]\right\))$

Evaluate the expression.

$\(\cos\]\left\)(\(\cos\)^{-1}\(\left\)(-\(\sqrt\)3\(\right\))\(\right\))$

Evaluate the expression.

$\(\cos\)^{-1}\(\left\)(\(\cos\[\left\)(\(\frac{\pi}{2}\]\right\))\(\right\))$