ACOS function

ACOS — returns the arccosine of a number.

Format

ACOS(number)

Example

Formula	Description	Result
ACOS(-0.5)	Arccosine of the number -0.5 in radians, 2*PI/3 (2.094395)	2.094395102
ACOS(-0.5)*180/PI()	Arccosine of -0.5 in degrees	120

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Standard functions