ACOSΒΆ
The IEC Operators and additional, norm-extending \ functions Returns the arc cosine (inverse function of cosine) of a number. The value is calculated in arc minutes.
IN can be type BYTE, WORD, DWORD, INT, DINT, REAL, SINT, USINT, UINT, UDINT, OUT must be type REAL.
Example in IL:
LD 0.5
ACOS
ST q (* Result is 1.0472 *)
Example in ST:
q:=ACOS(0.5);
Example in FBD: