Question

tan 1° . tan 2° ........ tan 89° =
​

Answer 1

Answer:

1

Step-by-step explanation:

tan 89 = cot 1

tan 88 = cot 2

and so on till tan 46 = cot 44

now

tan 1 tan2 ........ tan 43 tan 44 tan 45 cot 44 cot 43 ...... cot 1

tan x cot x = 1

tan 45

tan 45 = 1

hence ans is 1