##### Using the COS function:

The arguments for the COS function are:

Argument | Required? | Description |
---|---|---|

number | Required | The angle in radians for which you want the cosine. |

The COS function returns the cosine of a number.

COS takes 1 required argument and no optional arguments:

COS(number)

The arguments for the COS function are:

Argument | Required? | Description |
---|---|---|

number | Required | The angle in radians for which you want the cosine. |

The COS function returns the cosine of a number.