1.

Ifsin 2 theta + cos theta = 0"then " theta =

Answer»

`2 N pi - (pi)/(6), n in Z`
`2 n pi + (pi)/(3), n in Z`
`(2 n pi)/(3)- (pi)/(6) , n in Z`
`(2 n pi)/(3)+ (pi)/(4) , n in Z`

ANSWER :C


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