NDA Math Differentiation

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Question : 47 of 64

Marks: +1, -0

If

y=cot−1[

√1+sin‌x+√1−sin‌x

√1+sin‌x−√1+sin‌x

]

where 0<x<

π

2

,then

dy

dx

is equal to

[NDA II 2015]

1
2
2
sin‌x+cos‌x
sin‌x−cos‌x

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