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| From: | anonymous |
| Subject: | [Axiom-developer] [#177 expand (cos (2*x))] (new) |
| Date: | Mon, 20 Jun 2005 14:08:02 -0500 |
Changes http://page.axiom-developer.org/zope/mathaction/177ExpandCos2X/diff -- expand (cos (x+y)) and expand (cos (x+y+z)) are right. Is it possible to expand cos (2*x) = 2*cos(x)^2-1 or 1 - 2*sin(x)^2 -- forwarded from http://page.axiom-developer.org/zope/mathaction/address@hidden
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