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Answer each of the following questions in one word or one sentence or as per exact requirement of the question:
If x < 0, y < 0 such that xy = 1, then write the value of tan–1 x + tan–1 y.
Given if x < 0, y < 0 such that xy = 1
Also given tan-1 x + tan-1 y
We know that
= -π + tan-1 (∞)