alleryStart learning →Writing f = sin x, how does e^x (sin x + cos x) integrate?
A-e^x sin x + c
Be^x sin x cos x + c
Ce^x cos x + c
De^x sin x + c
Answer & Solution
Correct answer: D. e^x sin x + c
With f = sin x, f' = cos x, the formula for e^x [f + f'] gives e^x sin x.
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