1.

Let 0 lt theta_(1) lt theta_(2) lt theta_(3) lt. . . . denote the positive solution of the equation 3 + 3 cos theta = 2 sin ^(2) theta . The value of theta_(3) + theta_(7) is

Answer»

`6 pi`
`7 pi`
`8 pi`
`4 pi`

ANSWER :A


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