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ACOS function

The ACOS function is one of the math and trigonometry functions. It is used to return the arccosine of a number.

Syntax​

ACOS(number)

The ACOS function has the following argument:

ArgumentDescription
numberThe cosine of the angle you wish to find, a numeric value greater than or equal to -1 but less than or equal to 1.

Notes​

How to apply the ACOS function.

Examples​

The figure below displays the result returned by the ACOS function.

ACOS Function