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 Author Comment/Response Tang 10/13/06 04:55am Hello, I'm puzzled by a problem about simplification of trigonometric functions. I want to merge the terms with the same trig functions without changing other parts. I tried 'Simplify' or 'TrigReduce', but 'TrigReduce' fails to merge the terms and 'Simplify' would do but it also simplifies the coefficients and the variables in trig functions. For example, I want expr (1) to be rewritten as expr (2), how could I possibly write the code? (1): a*Sin[x]+a^2*Sin[x]+c*Sin[2x+2y]+d*Sin[2x+2y] (2): (a+a^2)Sin[x]+(c+d)*Sin[2x+2y] If I use 'Simplify', the result would be a(1+a)Sin[x]+(c+d)*Sin[2(x+y)] both the coefficients of Sin[x] and variable of 2x+2y are simplified, which fails my request. It's no more than a minor problem in simplification and won't affect much, but I really wish it be solved. Thank you very much URL: ,

 Subject (listing for 'Simplification concerning trigonometric functions') Author Date Posted Simplification concerning trigonometric functions Tang 10/13/06 04:55am Re: Simplification concerning trigonometric fun... Peter Pein 10/20/06 9:58pm Re: Simplification concerning trigonometric fun... Tang 10/25/06 02:03am
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