nRadianNumericRequired
Angle in radians.
FUNCTIONUnder review
Sin
Sin(nRadian) -> nValueCalculates a trigonometric ratio from radians.
Overview
Receives radians, not degrees. The example converts 30 degrees using pi/180. The result is approximately 0.5: floating-point comparisons need suitable tolerance. Sine does not calculate inverse sine. (Sources: refs. 1–1.)
Syntax
Sin(nRadian) -> nValueParameters
Return value
Numeric.
Commented example
#Include "Protheus.ch"
User Function Ed664()
Local nRadians := 30 * 3.141592653589793 / 180
// Convert units before calling the function.
ConOut(Sin(nRadians))
Return NilExpected result
Approximately 0.5, subject to numeric representation. Under review: editorial example neither compiled nor run in Protheus. Check includes, release, RDD and context before testing.
- Validate the domain and precision required by the business calculation.
- Under review: editorial example neither compiled nor run in Protheus. Check includes, release, RDD and context before testing.
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