sin cube theta + cos cube theta divided by sin theta + cos theta is equal to 1 minus sin theta into cos theta
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Step-by-step explanation:
sin3x + cos3x/sinx+cosx
= (sinx + cosx)( sin2x - sinxcosx+ cos2x)/ sinx + cosx
= 1-sinxcosx= RHS
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Answered by
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Step-by-step explanation:
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