11.6 ARCCOS (arcus cosinus function)
yx
1
arccos 1)= (
valid for x x_ :
1111-£ £+
The function provides the arcus sinus of the input value, i.e. x1 is the angle the arcus sinus of which is calculated. Pa
-
rameter Select is used to adjust, if the angle is provided in degree of angle [°] or in radian.
Calculation is either as degree of angle [0° ... 180°] or as radian [0...ó]. With arguments out of the function validity
range, output y1 is set to 1,5 w 10
37
(x1<-1) or -1,5 w 10
37
( x1>1 ).
Example degree of angle:
y1= arccos(x1) x1 = 0,5° = y1 =60
Example radian:
y1= arccos(x1) x1 = 0,5rad = y1 = 1,047
Parameter Description Controller display
Select
Unit: degree of angle (default) Ang.deg
Unit: radian Radian
Trigonometric functions 9499 040 50611
ARCCOS (arcus cosinus function) 44
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