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Software Documentation

Tan

Name

Tan — tangent

Syntax

Tan( expression )

Domain

Tan : R / { Pi / 2 + n * Pi , n in N } -> R

Example

Tan( 0 ) = 0

Description

Tangent of an angle. This is the relation between the length of the side opposite to the 90 degree (obtuse) angle of a straight triangle and the length of the side adjacent to it.

Note

Make sure you check the mode of calculation, deg or rad , before performing any trigonometric function. Also note that 90° = pi / 2 = 100 grad .