Perl | cos() Function
This function is used to calculate cosine of a VALUE or $_ if VALUE is omitted. The VALUE should be expressed in radians.
Syntax: cos(VALUE)
Parameters:
VALUE in the form of radiansReturns: Function returns cosine of VALUE.
Example 1:
#!/usr/bin/perl # Calling cos function $var = cos (5); # Printing value of cos(5) print "cos value of 5 is $var" ; |
Output:
cos value of 5 is 0.283662185463226
Example 2:
#!/usr/bin/perl # Calling cos function $var = cos (9); # Printing value of cos(9) print "cos value of 9 is $var" ; |
Output:
cos value of 9 is -0.911130261884677
Contact Us