The ACOS function returns the inverse cosine, in radians, of the input value. The input must be a real number. The returned value is within the range of -π ~ π.
Format
Arguments definition
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A real number or a function that returns a real number |
Formulation
Example
As shown in the following figure, the ACOS function calculates the inverse cosine (in radians) of Marker 1 on the InertiaMarker’s x-axis.
ACOS( DX(1,2)/DM(1,2) ) <Argument: (1)body1.marker1, (2)body2.marker2 >