UPSC NDA II 2018 Mathematics Solved Paper

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Question : 96 of 120

Marks: +1, -0

What is

d

dx

√1−sin‌2‌x equal to, where

π

4

<x<

π

2

?

[NDA II 2018]

cos‌x+sin‌x
–(cos‌x+sin‌x)
±(cos‌x+sin‌x)
None of the above

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