Inverse cosine: Representations through equivalent functions (subsection 27/02/06/28)

ArcCos

$Mathematica Notation$

Elementary Functions

Representations through equivalent functions

With related functions

Involving sec^-1

Involving cos^-1(z ((1-(1-z²)^1/2)/(2z²))^1/2)

Involving cos^-1(z ((1-(1-z²)^1/2)/(2z²))^1/2) and sec^-1(1/z)