cos, sin, tan

Gamma: Version 4.0
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# `cos`, `sin`, `tan`

`cos`, `sin`, `tan` -- perform trigonometric functions.

## Syntax

    cos (number)
    sin (number)
    tan (number)

## Arguments

`number`

  Any number in radians. Non-numbers are treated as zero.

## Returns

The result of the trigonometric functions cosine, sine and tangent.

## Example

        Gamma> cos(8);
        -0.14550003380861353808
        Gamma> sin(.8);
        0.71735609089952279138
        Gamma> tan(.5);
        0.54630248984379048416
        Gamma>

## See Also

`asin`, `acos`, `atan`, `atan2`

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