Question

tan^3alpha+2 tan^3beta=6 tan^4alpha+2 tan^4beta=18 tan^5alpha +2tan^5 beta=30 tan^6+2tan^6beta=66 then find cot(Alpha+beta)​

Answer 1

Answer:

tan α + 2 tan 2 α + 4 tan 4 α + 8 cot 8 α. NOTE : ⇒ cot α - tan α. ⇒ cos α / sin α - sin α / cos α. ⇒ ( cos²α - sin²α ) / sin α cos α.

Step-by-step explanation:

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