(sinA+cosA)(1-sinAcosA)=sin^3A+cos^3A
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Answer:j
Step-by-step explanation:
sin^3A+ cos^3A
= (sinA+ cosA)(sin^2A + cos^2A +sinAcosA)
=(sinA+ cosA)(1 - sinAcosA)
{Since, sin^2A + cos^2A = 1}
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