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- Thread starter cscott
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TD

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I don't see why you'd want to change the second one though, taking the derivative is lineair so [itex]\left( {3\sin x - 2\cos x} \right)^\prime = 3\left( {\sin x} \right)^\prime - 2\left( {\cos x} \right)^\prime [/itex]

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Damn, I guess I wasn't looking at them right. Thanks.

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Hurkyl

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You don't need trig identities to differentiate those...

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