Number value which is an angle in number of radians
Cos returns a Number specifying the cosine of an angle given in radians. It takes a right
The following examples are applicable to both Basic and Crystal syntax:
Returns 0.5403 (rounded to 4 decimals). This is the cosine of 1 radian.
Returns 0.5. This is the cosine of 60 degrees. Before taking the cosine, the angle is converted to radians by multiplying by crPi / 180.
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