Latest web development tutorials

Python3 atan () function

Python3 digital Python3 digital


description

atan () returns the arctangent of x in radians.


grammar

The following is the syntax atan () method:

import math

math.atan(x)

Note: atan () is not directly accessible, you need to import math module, and then call the method by math static objects.


parameter

  • x - a value.

return value

Returns the arctangent of x in radians.


Examples

The following shows an example of the use of atan () method:

#!/usr/bin/python3
import math

print ("atan(0.64) : ",  math.atan(0.64))
print ("atan(0) : ",  math.atan(0))
print ("atan(10) : ",  math.atan(10))
print ("atan(-1) : ",  math.atan(-1))
print ("atan(1) : ",  math.atan(1))

After running the above example output is:

atan(0.64) :  0.5693131911006619
atan(0) :  0.0
atan(10) :  1.4711276743037347
atan(-1) :  -0.7853981633974483
atan(1) :  0.7853981633974483

Python3 digital Python3 digital