Python math.cos() Method
Python math.cos(x)Returns the cosine of x radians.
Python Version: 1.4
Syntax
The syntax of the math.cos() method is as follows:
math.cos(x)
Parameter Description:
- x-- Required, a number. If x is not a number, it returns a TypeError.
Return Value
Returns a floating-point number representing the cosine of x, between -1 and 1.
Example
The following example returns the cosine of a number:
Example
# Import the math package
import math
# Output the cosine value
print (math.cos(0.00))
print (math.cos(-1.23))
print (math.cos(10))
print (math.cos(3.14159265359))
import math
# Output the cosine value
print (math.cos(0.00))
print (math.cos(-1.23))
print (math.cos(10))
print (math.cos(3.14159265359))
Output result:
1.0 0.3342377271245026 -0.8390715290764524 -1.0Other Extensions
Python math Module