Policies & Guidelines

ACOS

Calculate arccosine

Description

Calculates the inverse cosine or arccosine of the given number. The value is returned in radians.

Function signature

ACOS(number: Number) => Number

Parameter

Description

Number

Number to calculate arccosine for

Examples

Formula

Return value

ACOS(-1)

3.14159265

ACOS(0)

1.57079633

ACOS(0.5)

1.04719755

ACOS(1)

0