5. Inverse Trigonometric Functions and Basic Trigonometric Equations

Find all solutions to the equation.

$\(\cos\) x=1$

Find all solutions to the equation.

$\(\tan\)\(\theta\)=1$

Find all solutions to the equation.

$\(\sin\)\(\theta\)=-\(\frac{\sqrt3}{2}\)$

Find all solutions to the equation.

$3\(\sin\)\(\theta\)-6=-9$