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atan2acos
Syntax
atan2acos(Expr)
Description
Replaces arctan(x) by π/2-arccos(x/√(1+x^2)) in the argument.
Example
atan2acos(atan(2*x) returns π/2-acos((2*x)/√(1+(2*x)^2))
atan2acos — Discussion
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