1.

If 1+sin x + sin^(2)x +….oo = 4 + 2sqrt(3), 0 lt x lt pi, x ne pi//2 then x =

Answer»

`(pi)/(6)`
`(pi)/(4)`
`(pi)/(3)or(pi)/(6)`
`(pi)/(3) or(2PI)/(3)`

Answer :D


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