Python cmath.acos() Method

cmath Methods : Find the arc cosine of a complex number

Definition and Usage

The cmath.acos() method returns the arc cosine of a complex number.

There are two branch cuts:

Extends right from 1 along the real axis to ∞

Extends left from -1 along the real axis to -∞.

cmath.acos(x)

Parameter	Description
x	Required. A number to find the arc cosine of

Return Value:	A `complex` value, representing the arc cosine of a number. If the return value can be expressed as a real number, the return value has an imaginary part of 0
Python Version:	1.5

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