Cos (number)

Basic and Crystal syntax.

Argument

Number value which is an angle in number of radians

Returns

Number value between -1 and 1

Action

Cos returns a Number specifying the cosine of an angle given in radians. It takes a right-angle triangle, and returns the length of the side adjacent to the specified angle divided by the length of the hypotenuse.

Examples

The following examples are applicable to both Basic and Crystal syntax:

Cos (1)

Returns 0.5403 (rounded to 4 decimals). This is the cosine of 1 radian.

Cos (60 * crPi / 180)

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.

Comments


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