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| function | sin | 
| Library: Trigonometry (OMTRIG legacy) Include: omtrig.xin | Return type: opaque Returns: The sine of a floating point number. | 
define external float function sin value float x
Use sin to calculate the sine of an angle in radians. The angle must be a floating point number. This trigonometric function works the same way as its equivalent in the C math library.
The following sample shows how to use sin to calculate the value of the sine of PI/2. The result is 1.00.
  include "omtrig.xin"
  process
     output "The sine of (pi/2) is " 
         || "d" % (sin (pi / 2))
         || " %n"
  ; Output: "The sine of (pi/2) is 1"
| Other Library Functions | 
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