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If y =a cos (sin x) + b sin (sin x) the...

If ` y =a cos (sin x) + b sin (sin x)` then `y _(2) + (tan x) y_(1)=`

A

0

B

`4(cos^(2) 2x)y`

C

`-4 (cos^(2) 2x)y`

D

`-(cos^(2) 2x)y`

Text Solution

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The correct Answer is:
C
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