Question

tan 1°×tan2°×tan3°×.................tan45°×tan46°×........................tan87°×tan88°×tan89°=?
.
....plzzzzzz tell me step by step solution for this question aur ho aake to is question ka video solution ko drive pe upload karke mere ko link de do its very important because my board exam is in feberuary​

Answer 1

tan 45 = 1

hope you liked the answer

please mark it the brainliest answer

Answer 2

Answer:

tan 1°= tan(90-89) =cot 89°

tan 2°= tan(90-88) =cot 88°

tan 3°= tan(90-87) =cot 87°

tan 45°=1

now,

tan 1°×tan 2°×tan 3°×.....tan 45°×tan 46°×.............tan 87°× tan 88°× tan 89°

=cot 89× cot 88°× cot 87°×.........tan 87°×tan 88°×tan 89°=1 (cot thetha×tan thetha=1)