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Simplify (sin^2 theta + cos^2 theta)(sin theta + cos theta)

1 Answer

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Explanation:


(sin^2 \theta + cos^2 \theta)(sin \theta + cos \theta) \\ = 1 * (sin \theta + cos \theta) \\ ( \because \: sin^2 \theta + cos^2 \theta = 1)\\ = sin \theta + cos \theta \\

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