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Python Number acos() Function

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Description:

This function returns the arc cosine of x, in radians.

Syntax:

acos(x)

Note: This function is not accessible directly so we need to import math module and then we need to call this function using math static object.

Parameters:

Here is the detail of parameters:

Return Value:

The arc cosine of x, in radians.

Example:

#!/usr/bin/python
import math

print "acos(0.64) : ",  math.acos(0.64)
print "acos(0) : ",  math.acos(0)
print "acos(-1) : ",  math.acos(-1)
print "acos(1) : ",  math.acos(1)

This will produce following result:

acos(0.64) :  0.876298061168
acos(0) :  1.57079632679
acos(-1) :  3.14159265359
acos(1) :  0.0

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