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Submitted by : (unknown) at: 2007-11-17T22:03:02-08:00 (10 years ago)
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expand (cos (x+y)) and expand (cos (x+y+z)) are right.

Is it possible to expand cos (2x) = 2cos(x)^2-1 or 1 - 2*sin(x)^2

Category: Axiom Mathematics => Axiom Library Severity: normal => wishlist




  Subject:   Be Bold !!
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