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The derivative of ln(x + sin x) with respect to (x + cos x) is

Mathematics 2015 NDA Mathematics 2015 NDA 2015

Options

A

(1 + cos x) / ((x + sin x)(1 – sin x))

B

(1 – cos x) / ((x + sin x)(1 + sin x))

C

(1 – cos x) / ((x – sin x)(1 + cos x))

D

(1 + cos x) / ((x – sin x)(1 – cos x))

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