Arccos

Notation

Description

Returns the mathematical inverse (arc) cosine of x. A common alias for this function is acos, and it is sometimes represented as cos^-1.

Parameters

• x The value whose inverse cosine will be returned. Values typically range from -1 to 1.

Return Values

Returns the mathematical inverse cosine of x. Values typically range from 0 to pi.

Example Call

theta = arccos(opposite/adjacent);

NOTOC

Category:Function:Real