Prove that `(sec 8theta-1)/(sec 4 theta -1) = (tan 8theta)/(tan 2theta)

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Prove that `(sec 8theta-1)/(sec 4 theta -1) = (tan 8theta)/(tan 2theta)
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[@anshuanand_01]

Tnq So Much Sir , Actualy the same question is given in Jee Advanced Cengage Book .

[@Arjuncd3112]

Minimum value of (sin+cosec)^2 + (cos+sec)^2 sir mai A.M.>=G.M se kiya tho answer 8 aa raha lekin iska real answer 9 hai aesa kya 😢

[@sachinawasthi2243]

At first why r u applying A.M and G.M. As its a question based on trigo so at first our priority is to do it with trigo identities which we did ,we applly external concepts when we fail to do question with its related concept.