UPSC NDA I 2019 Mathematics Solved Paper

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Question : 64 of 120

Marks: +1, -0

If f ( x )=sin ( cos x ), then f ' ( x ) is equal to

[NDA I 2019]

cos( cos x )
sin (−sin x )
(sin x ) cos( cos x )
(−sin x ) cos( cos x )

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