Arccos(x) Calculator

An online calculator to calculate the inverse cosine function arccos(x) in radians and degrees.

How to use the arccos (x) calculator

1 - Enter x as a real number, within the domain of arccos function given by [ -1 , 1 ] and the number of decimal places desired then press "enter". Two answers are displayed: one in radians and the second in degrees.

x =
Decimal Places =
arccos(x)= radians

arccos(x) = degrees

You may use it to explore the domain and range of arccos(x).

More References and Links

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