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Question Number 171479 by som(math1967) last updated on 16/Jun/22

 tan^2 (𝛑/7) +tan^2 ((3𝛑)/7) +tan^2 ((5𝛑)/7)=?

tan2π7+tan23π7+tan25π7=?

Commented by som(math1967) last updated on 16/Jun/22

re post of  qno.171389

repostofqno.171389

Commented by greougoury555 last updated on 16/Jun/22

Commented by som(math1967) last updated on 16/Jun/22

thank you

thankyou

Commented by Tawa11 last updated on 16/Jun/22

Great sir

Greatsir

Commented by SLVR last updated on 16/Jun/22

nice sir

nicesir

Answered by som(math1967) last updated on 16/Jun/22

Commented by som(math1967) last updated on 16/Jun/22

if any other easy way please  post

ifanyothereasywaypleasepost

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