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Python | sympy.cos() method

  • Last Updated : 19 Jul, 2019

In simpy, cos() method is cosine function. Using the cos(x) method in simpy module, we can compute the cosine of x.

Syntax : sympy.cos(x)

Return : Returns the cosine of x 

Code #1:
Below is the example using cos() method to find cosine function.




# importing sympy library
from sympy import *
  
# calling cos() method on expression
geek1 = cos(-1)
geek2 = cos(pi / 3)
  
print(geek1)
print(geek2)

Output:

cos(1)
1/2

 
Code #2:




# importing sympy library
from sympy import *
  
  
# calling cos() method on expression
geek = cos(2 + 5j)
print(geek)

Output:

-30.8822353189167 - 67.4727884405875*I

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