Function: acos

Syntax

acos (<num>)

Type

numeric

Returns

The arccosine of a numeric value. The measure of the returned angle is governed by the value of the system string angle_mode and will be in the range 0 through 180 degrees or equivalent.

Parameters

• <num>
  The cosine value. This should be in the range -1 through +1. Values outside this range will be reduced to -1 or +1 as appropriate.

Examples

numeric theta = acos(0.707)

See Also