If 0<theta<pi, then minimum value of 3si...

If `0

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The correct Answer is:

Using `A.M.ge G.M.`
`(sintheta+sintheta+sintheta=cosec^3theta)/4ge(sin^3theta.cosec^3theta)^(1//4)`
hence, minimum value of `3sintheta+cosec^3theta` is 4.

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