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ATAN2 !!!ATAN2 NAME SYNOPSIS DESCRIPTION RETURN VALUE CONFORMING TO SEE ALSO ---- !!NAME atan2 - arc tangent function of two variables !!SYNOPSIS __#include __ ''y''__, double__ ''x''__); __ !!DESCRIPTION The __atan2()__ function calculates the arc tangent of the two variables ''x'' and ''y''. It is similar to calculating the arc tangent of ''y'' / ''x'', except that the signs of both arguments are used to determine the quadrant of the result. !!RETURN VALUE The __atan2()__ function returns the result in radians, which is between -PI and PI (inclusive). !!CONFORMING TO SVID 3, POSIX, BSD 4.3, ISO 9899 !!SEE ALSO acos(3), asin(3), atan(3), cos(3), sin(3), tan(3) ----
7 pages link to
atan2(3)
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Man3a
sin(3)
tan(3)
acos(3)
asin(3)
atan(3)
cos(3)
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