Calculates the Arc Cosine of a value.
| Function | Group | Execution | Windows | Embedded | Thin Client |
|---|---|---|---|---|---|
| ACos | Trigonometric | Synchronous | Supported | Supported | Supported |
ACos( numValue )
Returns the Arc Cosine of numValue in radians.
| Tag Name | Expression |
|---|---|
| Tag | ACos( 1 ) // Returned value = 0.000000 |
| Tag | ACos( 0 ) // Returned value = 1.570796 |