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Macaulay2 web site
Macaulay2Doc
::
atan(RR)
atan(RR) -- compute the arctangent of a number
Synopsis
Usage:
atan x
Function:
atan
Inputs:
x
,
a
real number
Outputs:
a
real number
, the arctangent (in radians) of
x
Description
i1 : atan 1 o1 = .785398163397448 o1 : RR (of precision 53)
i2 : abs atan 1 == pi/4 o2 = true
See also
atan2
-- compute an angle of a certain triangle