1.

Ifsin 3 theta - sin theta = 4 cos ^(2) theta - 2" then " theta =

Answer»

`{(2n+1)(PI)/4, N in Z}uu{(2+1)(pi)/2, n in Z}`
`{(2n+1)(pi)/2, n in Z}uu{(4n+1)(pi)/2, n in Z}`
`{(2n+1)(pi)/4, n in Z}uu{(4n+1)(pi)/2, n in Z}`
`{(4n+1) , n in Z}uu{(4n+1)(pi)/2, n inZ}`

Answer :C


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