Valentine's day science

The Lahrs (JohnJan@lahr.org)
Sun, 14 Feb 1999 07:43:51 -0700


Message-Id: <3.0.32.19990214074350.007a35c0@netmail.home.com>
Date: Sun, 14 Feb 1999 07:43:51 -0700
To: "Pinhole Listserv" <pinhole@exploratorium.edu>
From: The Lahrs <JohnJan@lahr.org>
Subject: Valentine's day science

It took me a minute to figure out that in the equations such as
r =3D 1 + sin(t) that the =3D was an artifact that should be
changed to just an equal sign. So, for example, the first equation
below is: r = 1 + sin(t)

Happy Valentine's Day!
John

At 12:20 AM 2/14/99 -0800, Paul D. wrote:
...
>Try variations on this function.
>Predict what the graph will look like first.
>r =3D 1 + sin(t)
>r =3D 1 - 1.25 * sin(t)
>r =3D 1
...

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