Calculator

Arccos Calculator

Arccos Calculator (Inverse Cosine)

The Arccos function (cos-1) returns the angle whose cosine is a given number. Input must be between -1 and 1.

4 decimal places
Common Arccos Values
x cos-1(x) in Radians cos-1(x) in Degrees cos-1(x) in π Form
-1 π 180° π
-0.5 2π/3 120° 2π/3
0 π/2 90° π/2
0.5 π/3 60° π/3
1 0 0
√3/2 π/6 30° π/6
√2/2 π/4 45° π/4
Shares:

Related Posts

Leave a Reply

Your email address will not be published. Required fields are marked *