Difference between revisions of "Cos"

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==Description==
 
==Description==
This function calculates the [http://mathworld.wolfram.com/Cosine.html cosine] of a value '''e''' defined in [http://en.wikipedia.org/wiki/Radian radians]. The cosine of an angle is the ratio of the length of the adjacent side to the length of the hypotenuse. It is a [http://en.wikipedia.org/wiki/Trigonometric_functions trigonometric function].
+
This function calculates the [http://mathworld.wolfram.com/Cosine.html cosine] of an angle '''e''' defined in [http://en.wikipedia.org/wiki/Radian radians]. The cosine of an angle is the ratio of the length of the adjacent side to the length of the hypotenuse. It is a [http://en.wikipedia.org/wiki/Trigonometric_functions trigonometric function].
  
 
==Example==
 
==Example==

Revision as of 23:56, 2 July 2011

Definition

function Cos(e: Extended): Extended;

Availability

SCAR Divi 3.00 > Current

Description

This function calculates the cosine of an angle e defined in radians. The cosine of an angle is the ratio of the length of the adjacent side to the length of the hypotenuse. It is a trigonometric function.

Example

begin
  WriteLn(Cos(Pi));
  WriteLn(Cos(0));
end.

Output:

-1
1

See Also