\chapter{Trigonometry}
\section{Inverse trig functions}
Answer the questions.
\begin{enumerate}
\item
In the equation \(y=\tan^{-1}x\), which of \(x\), \(y\) is an angle?
\item
What is the range of \(\cos^{-1}\)?
\item
What is the domain of \(\tan^{-1}\)?
\item
What is the translation for the equation \(\sin^{-1}(-0.75)=t\)?
\item
If \(x\) is a negative number, in what quadrant is \(\cos^{-1}x\)?
\item
Suppose \(\sin \theta =1/7\). Write an equivalent equation using the inverse sine function.
\end{enumerate}