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Python3 asin() Function

Python 3 Tutorial

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Description

asin() returns the arc sine of x, in radians.

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Syntax

Here is the syntax for the asin() method:

import math
math.asin(x)

Note: asin() cannot be accessed directly, you need to import the math module and then call this method via the math static object.

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Parameters

• x -- A numeric value between -1 and 1. If x is greater than 1, it will produce an error.

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Return Value

Returns the arc sine of x in radians.

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Example

The following example demonstrates the use of the asin() method:

#!/usr/bin/python3
import math

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

When the above program is run, it produces the following result:

asin(0.64) :  0.694498265626556
asin(0) :  0.0
asin(-1) :  -1.5707963267948966
asin(1) :  1.5707963267948966

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Python3 Numbers