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The solution of dy = cos x (2 - y " cose...

The solution of dy = cos x `(2 - y " cosec " x) dx` , where ` y = sqrt(2) , " when " x = pi//4 ` is

A

`y=sin x + (1)/(2)cosec x`

B

`y = tan (x//2)+cot (x//2)`

C

`y=(1//sqrt(2))sec(x//2)+sqrt(2)cos (x//2)`

D

None of the above

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The correct Answer is:
A
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