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cos

To calculate the cosine

The function returns the cosine of an angle in radians. The result is a numeric value between -1 and 1. 
Syntax
cos(number)
Return
number
Examples 
cos(x) To calculate the cosine of a given number x between -1 and 1. 
1
cos(-0.25) 
Result: 0.9689124217106447 
See also
​acos, which calculates the arccosine of a number.

contains

count (aka cnt)

Last modified 1yr ago