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Showing content from https://webplatform.github.io/docs/javascript/Math/cos below:

cos · WebPlatform Docs

Returns the cosine of a number.

Math.cos( radians )

var v1 = Math.cos(-1.0);
document.write(v1);
// Output: 0.5403023058681398

The required radians argument is a numeric expression that contains an angle measured in radians.

The return value is the cosine of the numeric argument of radians.

Applies To : Math Object

• Math.acos Function
• Math.asin Function
• Math.atan Function
• Math.sin Function
• Math.tan Function

• Microsoft Developer Network: Article

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