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int(dx)/(cosxsqrt(1+cos2x+sin2x))=""+c, ...

`int(dx)/(cosxsqrt(1+cos2x+sin2x))="________"+c, (0 lt x lt pi/4)`

A

(a) `2+sqrt(cotx)`

B

(b) `sqrt(tanx+1)`

C

(c) `sqrt(2+2tanx)`

D

(d) `sqrt(2+2cotx)`

Text Solution

Verified by Experts

The correct Answer is:
C
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