| Function | Symbol | Domain | Range |
|---|---|---|---|
| sine | \(y=\sin x\) | All real numbers | \{ y|{-}1\leq y\leq 1\} |
| cosine | \(y=\cos x\) | All real numbers | \({ y|{-}1\leq y\leq 1}\) |
| tangent | \(y=\tan x\) | \(\left\{x |x\neq \hbox{ odd integer multiples of }\dfrac{\pi }{2}\right\}\) | All real numbers |
| cosecant | \(y=\csc x\) | \{{x |x\neq \hbox{ integer multiples of }\pi}\} | \{ y|y\leq -1 \hbox{ or } y\geq 1\} |
| secant | \(y=\sec x\) | \(\left\{x |x\neq \hbox{ odd integer multiples of } \dfrac{\pi }{2}\right\}\) | \{ y|y\leq -1 \hbox{ or } y\geq 1\} |
| cotangent | \(y=\cot x\) | \{{x |x\neq \hbox{ integer multiples of }\pi}\} | All real numbers |