Cos (Built-in Mathematica Symbol)

Cos[z] gives the cosine of z.

Coth (Built-in Mathematica Symbol)

Coth[z] gives the hyperbolic cotangent of z.

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.

Csc (Built-in Mathematica Symbol)

Csc[z] gives the cosecant of z.

EllipticF (Built-in Mathematica Symbol)

EllipticF[\[Phi], m] gives the elliptic integral of the first kind F(\[Phi] \[VerticalSeparator] m).

EllipticK (Built-in Mathematica Symbol)

EllipticK[m] gives the complete elliptic integral of the first kind K(m).

EllipticPi (Built-in Mathematica Symbol)

EllipticPi[n, m] gives the complete elliptic integral of the third kind \[CapitalPi] (n \[VerticalSeparator] m). EllipticPi[n, \[Phi], m] gives the incomplete elliptic ...

EllipticTheta (Built-in Mathematica Symbol)

EllipticTheta[a, u, q] gives the theta function \[CurlyTheta]_a (u, q) (a = 1, ..., 4).

EulerPhi (Built-in Mathematica Symbol)

EulerPhi[n] gives the Euler totient function \[Phi](n).