Math, asked by kirandeepi, 1 year ago

Solve this .....

If tan inverse X + tan inverse Y = π/4

P.T X + Y + XY = 1

Answers

Answered by BrainlyWarrior

32

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Answered by ankurbharali11peqo2p

14

arctanX+arctanY=π/4
arctan(X+Y/1-XY) =π/4
X+Y/1-XY=tan(π/4)
X+Y/1-XY=1
X+Y=1-XY
X+Y+XY=1

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