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Prove thatsin 5x+sin3x/cos5x+cos3x=tan4x
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Prove thatsin 5x+sin3x/cos5x+cos3x=tan4x
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Sep 15, 2015
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sin5x + sin3x = 2sin4x.cosx
cos5x + cos3x = 2cos4x.cosx
so
=
= tan4x
Roma Rush
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Sep 21, 2015
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Roma Rush
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