TABEL

\begin{align} &\csc x = \frac{1}{sin x}\\ &\sec x = \frac{1}{\cos x}\\ &\cot x = \frac{1}{\tan x}\\ \\ &\cot x = \frac{\cos x}{\sin x}\\ &\tan x = \frac{\sin x}{\cos x}\\ \\ &\sin^2 x + \cos^2 x = 1\\ &\sec^2 = \tan^2 x + 1\\ &\csc^2 = \cot^2 x + 1\\ \end{align}