VB.NET Language in a Nutshell

Class

System.Math

Syntax

Sin( a )

a (required; Numeric)

An angle expressed in radians

Return Value

A Double containing the sine of an angle

Description

Returns the ratio of two sides of a right triangle in the range -1 to 1

Rules at a Glance

• The ratio is determined by dividing the length of the side opposite the angle by the length of the hypotenuse .

• This is a Shared member, so it can be used without creating any objects.

Programming Tips and Gotchas

• You can convert degrees to radians using the formula:

  radians = degrees * (pi/180)

• You can convert radians to degrees using the formula:

  degrees = radians * (180/pi)

See Also

Cos Function, Tan Function