Arc Cosine Function

Arc Cosine Function

Function

arccos(x)

Summary

Given a number representing the the ratio of a right triangle's adjacent side over its hypotenuse returns the corresponding angle.

Input

Name Description
x A number from -1 to 1 representing the ratio of the adjacent side over the hypotenuse.

Output

Returns the angle corresponding to the ratio.

Good Links

Angle | concept
Radians | concept
Right Triangle | concept
Cosine | function