Cos Function

Named Arguments

No

Syntax

Cos(number)

number

Use: Required

Data Type: Double or numeric expression

An angle in radians.

Return Value

A Double data type denoting the cosine of an angle.

Description

Takes an angle specified in radians and returns a ratio representing the length of the side adjacent to the angle divided by the length of the hypotenuse.

Rules at a Glance

The cosine returned by the function is between –1 and 1.

Example

Dim dblCosine as Double
dblCosine = Cos(dblRadians)

Programming Tips and Gotchas

  • To convert degrees to radians, multiply degrees by pi/180.

  • To convert radians to degrees, multiply radians by 180/pi.

See Also

Atn Function, Sin Function, Tan Function

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