Casio ClassPad II Custom Commands

normalt (Function)

Command last updated 23/11/2022.

Download

normalt(x, y, t, to)

Returns the expression in terms of x for the normal line to the curve at the point t = to.

Example

Find the normal to the curve defined by \(x = 2\sin(2t)\) and \(y = 3\cos(t)\) when \(t = \dfrac{\pi}{3}\).

normalt(2sin(2t), 3cos(t), t, pi)

Contributed by Nhan