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t2:acos
acos
acos — Arc cosine
Description
fix32 acos(fix32 num);
Returns the arc cosine of num in radians. acos() is the complementary function of cos(), which means that
num == cos(acos(num))
.
Parameters
- num: The number to process.
Return Value
The arc cosine of num in radians.
Examples
Example #1 acos() example
init { printf("%.6f", acos(0.5)); // ~1.0471975512 }
See Also
t2/acos.txt · Last modified: 2016/11/13 03:28 by J2Kbr