Date: Feb 28, 2013 7:03 AM
Author: Christopher Creutzig
Subject: Re: what dose this error mean -- urgency

On 26.01.13 00:01, maia wrote:

> i think the problem lie in cos(t)
> before i add cos(t) i was able to plot pin but after that it give me error

You cannot use ezplot for a formula with 3 variables. Your formula
didn't have t before you added the cos(t) term.