Python – cmath.sin() function
Last Updated :
28 May, 2020
cmath is Python built-in module that is used for complex number mathematics. cmath module has a method sin() that returns sine of the complex number passed to it.
Syntax: cmath.sin(Z)
Parameter: It requires only one parameter i.e the number for which sine needs to be calculated.
Return: Returns a complex number that is the sine of the number passed.
Example 1:
Python3
import cmath
print (cmath.sin( 5 + 3j ))
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Output:
(-9.654125476854839+2.841692295606352j)
Example 2: In this example real number is passed but the returned result is still a complex number.
Python3
import cmath
print (cmath.sin( 1 ))
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Output:
(0.8414709848078965+0j)
Example 3: In this example no argument is passed in this case TypeError will be thrown
Python3
import cmath
print (cmath.sin())
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Output:
TypeError: sin() takes exactly one argument (0 given)
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