Returns the arccosine of dx.
[ dResult = ] ACos ( dx )
The ACos procedure syntax has the following parts:
|
Name |
Type |
Description |
|
dResult |
Double |
Result |
|
dx |
Val Double |
Input value in radians |
This procedure returns the arccosine of dx in radians in the range of 0 to PI. To convert the result from radians to degrees, multiply it by 180/PI. Legal values for dx are 0 or between -1 and 1.
dx = 0
df = ACos(dx)*180/PI
! now df is 90.0... and dx is 0