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यदि tan^(2)(x+y) + cot^(2)(x+y) = 1-2x-...

यदि `tan^(2)(x+y) + cot^(2)(x+y) = 1-2x-x^(2)` है, तो (जहाँ, `n in Z`)

A

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

B

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

C

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

D

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

लिखित उत्तर

Verified by Experts

The correct Answer is:
B
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