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+3 votes
29.5k views
in Mathematics by (50.4k points)

If ∫ (cos θ)/(5 + 7 sin θ - 2 cos2 θ) dθ = A loge |B(θ)| + C, where C is a constant of integration, then B(θ)/A can be:

(1) 2 sin θ + 1/5(sin θ + 3)

(2) 2 sin θ + 1/sin θ + 3

(3) 5(sin θ + 3)/2sin θ + 1

(4) 5(2 sin θ + 1)/sin θ + 3

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1 Answer

+4 votes
by (49.0k points)

(4) 5(2 sin θ + 1)/sin θ + 3

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