tan 9× tan 23×tan60×tan67×tan 81=root3
plz send me the ans with step by step explanation
Answers
Answered by
1
Step-by-step explanation:
Tan 9 = Cot ( 90 - 9 ) = Cot 81
Cot 81 × Tan 81 = 1/Tan 81 × Tan 81 = 1
Similarily , Tan 23 × Tan 67 = 1
Answer = Tan 60 = √3
Similar questions