The number argument can be any valid numeric expression that expresses an angle in radians.

The Sin function takes an angle and returns the ratio of two sides of a right triangle. The ratio is the length of the side opposite the angle divided by the length of the hypotenuse. The result lies in the range -1 to 1.

To convert degrees to radians, multiply degrees by pi /180. To convert radians to degrees, multiply radians by 180/pi.

The following example uses the Sin function to return the sine of an angle:

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Dim MyAngle, MyCosecant
MyAngle = 1.3 ' Define angle in radians.
MyCosecant = 1 / Sin(MyAngle) ' Calculate cosecant.

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