User:T-9000/Files/Mathematics & Science/Mathematics/TrigForms2

$$\begin{align} \sin ( \alpha ) & = \frac { \textrm{opposite}} { \textrm{hypotenuse}} \\ & = \frac {1} { \csc ( \alpha )} \\ \end{align}$$ $$\begin{align} \cos ( \alpha ) & = \frac { \textrm{adjacent}} { \textrm{hypotenuse}} \\ & = \frac {1} { \sec ( \alpha )} \\ \end{align}$$ $$\begin{align} \tan ( \alpha ) & = \frac { \textrm{opposite}} { \textrm{adjacent}} \\ & = \frac { \sin ( \alpha )} { \cos( \alpha )} \\ & = \frac {1} { \cot ( \alpha )} \\ \end{align}$$ $$\begin{align} \cot ( \alpha ) & = \frac { \textrm{adjacent}} { \textrm{opposite}} \\ & = \frac { \cos ( \alpha )} { \sin ( \alpha )} \\ & = \frac {1} { \tan ( \alpha )} \\ \end{align}$$ $$\sec ( \alpha ) = \frac {1} { \cos( \alpha )}$$ $$\csc ( \alpha ) = \frac {1} { \sin ( \alpha )}$$