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Answer: One.
Explanation: To find the value of this question, we need to segregate the terms in a way that those values can be converted into cot because cot x= 1/tan x.
(tan1…tan44) tan 45 [tan (90-44) tan (90-43)…. Tan (90-1)]
Tan 1… tan 44 (1) (cot 44 cot 43…. Cot 1)
Since cot = 1/tan x, the equation becomes tan 1.tan2. ….. Tan44. 1/tan44. 1/tan 43… 1/tan1.
All the terms will cancel out and the answer will be 1.
