Question

If 0 € (0, 1), (tan 0 +1)(1+tan 40) = 2 and a, B, y are real and positive such that a +B+v = 100 then
(cot a + cot B + cot y) (cot a cot ßcot y)-1
(A) 2
(B) 1
(C) 4
(D) 3

Answer 1

Answer:

answer is 2

Step-by-step explanation:

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