Python – cmath.tan() function

cmath is Python built-in module that is used for complex number mathematics. cmath module has a method tan() that returns tangent of the complex number passed to it.

Syntax: cmath.tan(Z)

Parameter: It requires only one parameter i.e the number for which tangent needs to be calculated.

Return: Returns a complex number that is the tangent of the number passed.

Example 1: 



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# Import the Library
import cmath 
  
# Printing the result
print (cmath.tan(5 + 3j))

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Output:

(-0.002708235836224072+1.0041647106948153j)

Example 2: In this example real number is passed but the returned result is still a complex number.

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# Import the Library
import cmath 
  
# Printing the result
print (cmath.tan(1))

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Output:

(1.5574077246549023+0j)

Example 3: In this example no argument is passed in this case TypeError will be thrown

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# Import the Library
import cmath 
  
# Printing the result
print (cmath.tan())

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Output:

TypeError: tan() takes exactly one argument (0 given)



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