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+1 vote
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in Integrals calculus by (36.9k points)

Evaluate: ∫ (sin x + cos x/(9 + 16sin2 x)) dx for x ∈ [0,π/4]

1 Answer

+2 votes
by (38.6k points)
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Best answer

Let sin x – cos x = t

(sin x + cos x) dx = dt

= (1/40) log 9

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