NCERT Miscellaneous Exercise Q39 - Integrals
Question: int cos^2 x / (sin x + cos x)^2 dx equals (A) -1/(sin x + cos x) + C (B) log|sin x + cos x| + C (C) log|sin x - cos x| + C (D) 1/(sin x + cos x)^2 + C.
Answer: (B)
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