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bug#4031: calc simplification problem
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From: |
Jay Belanger |
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Subject: |
bug#4031: calc simplification problem |
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Date: |
Tue, 04 Aug 2009 19:44:52 -0500 |
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User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/23.1.50 (gnu/linux) |
Colin Williams <lackita@gmail.com> writes:
> In calc, doing `a s' simplifies "(1 + cos(x)^2 - 1) / cos(x)" to
> "cos(x)^2 sec(x)", which contradicts an example in the tutorial on
> rewrite rules.
So it does. Calc needs to simplify expressions with secant (and
cosecant and cotangent) better. I'll be out of town for the next week;
I'll fix it as soon as I get back.
Jay