JavaScript: The Definitive Guide

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Math.cos() Function

Name

Math.cos() Function---compute a cosine

Availability

Navigator 2.0, Internet Explorer 3.0

Synopsis

Math.cos(x)

Arguments

x

A numeric value or expression, in radians.

Returns

The cosine of the specified value x.

Description

Math.cos() computes and returns the cosine of the specified argument. The argument should be an angle be specified in radians, and the return value will be between -1.0 and 1.0.

See Also

"Math"

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