InverseJacobiSC[v, m] gives the inverse Jacobi elliptic function sc -1 (v \[VerticalSeparator] m).
InverseJacobiSD[v, m] gives the inverse Jacobi elliptic function sd -1 (v \[VerticalSeparator] m).
InverseJacobiSN[v, m] gives the inverse Jacobi elliptic function sn -1 (v \[VerticalSeparator] m).
ArcCsc
(Built-in Mathematica Symbol) ArcCsc[z] gives the arc cosecant csc -1 (z) of the complex number z.
ArcSec
(Built-in Mathematica Symbol) ArcSec[z] gives the arc secant sec -1 (z) of the complex number z.
ArcSinh
(Built-in Mathematica Symbol) ArcSinh[z] gives the inverse hyperbolic sine sinh -1 (z) of the complex number z.
ComplexExpand[expr] expands expr assuming that all variables are real. ComplexExpand[expr, {x_1, x_2, ...}] expands expr assuming that variables matching any of the x_i are ...
JacobiAmplitude[u, m] gives the amplitude am(u \[VerticalSeparator] m) for Jacobi elliptic functions.
GeometricMean[list] gives the geometric mean of the values in list.
Log
(Built-in Mathematica Symbol) Log[z] gives the natural logarithm of z (logarithm to base e). Log[b, z] gives the logarithm to base b.