Reference > Functions reference > Trigonometric functions > Tan
 
Tan
Purpose 
Returns the tangent (Tan) of angleInRadians.
Format 
Tan(angleInRadians)
Parameters 
angleInRadians - any numeric expression or field containing a numeric expression, in radians
Data type returned 
number
Originated in 
FileMaker Pro 6.0 or earlier
Description 
Use this function to calculate the Tan of angleInRadians.
Equation
Notes 
With the Tan function, you cannot use values exactly equal to 90 degrees (Pi/2 radians), or multiples of 90 degrees.
Examples 
Tan(.13) returns .13073731....
Tan(Radians(34)) returns .6745085.
Related topics 
Functions reference (category list)
Functions reference (alphabetical list)
About formulas
About functions
Defining calculation fields
Using operators in formulas