Functions Reference

Table Of Contents
Chapter 16
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Trigonometric functions 207
Data type returned
number
Description
Returns the trigonometric arc tangent (inverse tangent) of number. The arc tangent is the
angle, in radians, whose tangent is equal to the specified number.
Examples
Atan(1) returns .78539816....
Degrees(Atan(1)) returns 45.
Cos
Format
Cos(angleInRadians)
Parameter
angleInRadians - any numeric expression or field containing a numeric expression, in
radians.
Data type returned
number
Description
Returns the cosine of angleInRadians. The specified angle must be represented in
radians.
Examples
Cos(1.047) returns .50017107....
Cos(Radians(60)) returns .5.
Degrees
Format
Degrees(angleInRadians)
Parameter
angleInRadians - any numeric expression
or field containing a numeric expression, in
radians.