Python cmath.acos() Function

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The cmath.acos() function is used to compute the arc cosine of the given number.

Syntax:

cmath.acos(x)

`x`	The number(real or complex) whose arc cosine we want.

Parameters:

The function returns the arc cosine of x in radians as a complex number. If argument x is a real number, the returned complex number has 0j as its imaginary part.

ExampleEdit & Run

import cmath 

print(cmath.acos(1))
print(cmath.acos(0.5))
print(cmath.acos(2 + 3j))
print(cmath.acos(0.5-2j))
print(cmath.acos(3 + 5j))
 Visualize

Output:

-0j(1.0471975511965979-0j)(1.0001435424737972-1.9833870299165355j)(1.3497776911720125+1.4657153519472905j)(1.036797257200728-2.4598315216234345j)[Finished in 0.010770425898954272s]

You should note that the cmath(complex math) module is made primarily for working with complex numbers. If you are working with real numbers the math.acos() function maybe more relevant.

Mathematics

fractions module

random module

math module

Python cmath.acos() Function

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