Question

find the value of tan1 tan2 tan3........ tan 89 is

Answer 1

☞ tan1 tan2 tan3......tan89= 1

tan 1 . tan 2 . tan 3 ... tan 87 . tan 88 . tan 89 = LHS 

tan 1 . tan 2 . tan 3 ... tan (90 - 3 ) . tan ( 90 - 2 ) . tan ( 90 - 1) 

tan 1 . tan 2  . tan 3 ... cot 3 . cot 2 . cot 1 

tan 1 . cot 1 . tan 2 . cot 2 . tan 3 . cot 3 ... tan 89 . cot 89 

1 x 1 x 1 x 1 x ... x 1 

As 1ⁿ = 1  = RHS 

Where n = any positive integer

Answer 2

Answer:

hope it helps you mate ...........