Cot (Built-in Mathematica Symbol)

Cot[z] gives the cotangent of z.

Csch (Built-in Mathematica Symbol)

Csch[z] gives the hyperbolic cosecant of z.

Sech (Built-in Mathematica Symbol)

Sech[z] gives the hyperbolic secant of z.

Sinh (Built-in Mathematica Symbol)

Sinh[z] gives the hyperbolic sine of z.

Tanh (Built-in Mathematica Symbol)

Tanh[z] gives the hyperbolic tangent of z.

Cos (Built-in Mathematica Symbol)

Cos[z] gives the cosine of z.

Sin (Built-in Mathematica Symbol)

Sin[z] gives the sine of z.

FunctionExpand (Built-in Mathematica Symbol)

FunctionExpand[expr] tries to expand out special and certain other functions in expr, when possible reducing compound arguments to simpler ones. FunctionExpand[expr, assum] ...

Sec (Built-in Mathematica Symbol)

Sec[z] gives the secant of z.

Tan (Built-in Mathematica Symbol)

Tan[z] gives the tangent of z.