SYMBIAN OS V9.3
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Location: math.h
math.h
atan()
IMPORT_C double atan(double);
Calculate arctangent. Performs the trigonometric arctangent operation on x and returns an angle in the range from -PI/2 to PI/2 expressed in radians.
double
Value whose arctangent has to be calculated.
Arctangent of arg1.
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