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If dy/dx+3/cos^2xy=1/cos^2x,x in((-pi)/3...

If `dy/dx+3/cos^2xy=1/cos^2x,x in((-pi)/3,pi/3)and y(pi/4)=4/3," then "y(-pi/4)` equals

A

`1/3+e^6`

B

`1/3`

C

`-1/4`

D

`1/3+e^3`

Text Solution

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The correct Answer is:
A
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