atan2.int

JAVA 数学程序库 提供常规的数值计算程序包

@GROUP
trigonometric
@SYNTAX
answer = ATAN2(value1, value2)
@DOC
Returns the arc tangent of the gradient represented by the value1 / value2.
@EXAMPLES
ATAN(2, 1)  = 0.4636476090008061
ATAN(-2, 1) = 2.677945044588981
@SEE
atan, tan