ACOS

Name

ACOS —
ACOS(x)

Description

The ACOS function calculates the arc cosine of @x; that is the value whose cosine is @x. If @x falls outside the range -1 to 1, ACOS fails and returns the error 'acos - domain error'. The value it returns is in radians.

Performing this function on a string or empty cell simply does nothing. This function only takes one argument.

See also

COS , SIN , DEGREES , RADIANS