Cosine (Reserved Word)
Returns the cosine value of the specified number of degrees.
Cosine(Num);
Where Num is a numeric expression representing the number of degrees for which you want the cosine value.
Remarks
The cosine is a trigonometric function that for an acute angle is the ratio between the leg adjacent to the angle when it is considered part of a right triangle and the hypotenuse.
Num should be the number of degrees in the angle.
Examples
Cosine(45) returns a value of 0.7071.
Cosine(72) returns a value of 0.3090.