The general solution of the equation ta...

The general solution of the equation ` tan^(2)(x + y) + cot^(2) ( x+ y) = 1 - 2x - x^(2) ` lie on the line is :

A

`x=1, y=npi pm (pi)/(4)-1`

B

`x=-1, y= npi pm (pi)/(4)+1`

C

`x=-1, y=(npi)/(2) pm (pi)/(4)-1`

D

`x=+1, y=(npi)/(2)pm (pi)/(4)-1`

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The correct Answer is:

B

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