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Asked by Daemon

Express the following as a product containing only sines and/or cosines.


sin9x−sin7x
7 years ago

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Answered by bobpursley
2*sin[(1/2)*(9*x - 7*x)]*cos[(1/2)*(9*x + 7*x)]

2*sin[x]*cos[8*x]
7 years ago
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Question

Express the following as a product containing only sines and/or cosines.


sin9x−sin7x

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