Reference for Wiring version 0024+. If you have a previous version, use the reference included with your software. If you see any errors or have any comments, let us know.

Name

atan()

Description Calculates the arc tangent of x. The atan(x) function expects the values of the x parameter to be provided between -1 and 1. Values are returned in the range -PI/2, PI/2.
Syntax
atan(x)
Parameters
x float: a value betwwen -1 and 1
Returns the arc tangent of x(a value from -PI/2, PI/2) of the specified parameter x
Usage Web & Application
Related acos()
asin()
atan()
atan2()
cos()
cosh()
hypot()
sin()
sinh()
tan()
tanh()
radians()
degrees()
Updated on January 11, 2010 10:05:25pm PST

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