If tan^(-1)x + tan^(-1)y = π/4; xy < 1, then the value of x + y + xy is 1. (True/False)

Question

If tan^-1x + tan^-1y = \(\frac{\pi}{4}\); xy < 1, then the value of x + y + xy is 1. (True/False)

Answer 1

Correct answer is True