1.

If 1+sin^(2)theta=3sinthetacostheta then the solution set in [0,(pi)/(2)] is

Answer»

`{(PI)/(4),cos^(-1)(1//3)}`
`{(pi)/(4),tan^(-1)(1//2)}`
`{(pi)/(3),tan^(-1)(1//3)}`
`{(pi)/(6),SIN^(-1)(1//3)}`

Answer :B


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