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Integrate the following functions: sin 4x sin8x |
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Answer» SOLUTION :sin 4X sin 8X `=1/2[cos(8x-4x)-cos(8x+4x)]` =1/2[cos 4x- cos12x] therefore` int sin4x sin 8x DX` =`1/2[(sin 4x)/4-sin(12x)/(12)]+c` |
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