1.

The solution set of sin(x+(pi)/4)=sin 2x

Answer»

`(n PI - ((pi)/(4)))/(1 + (-1)^(n)(2))`
`(n pi + ((pi)/(4)))/(1 + (-1)^(n)(2))`
`(n pi + ((pi)/(4)))/(1 - (-1)^(n)(2))`
`(n pi - ((pi)/(4)))/(1 - (-1)^(n)(2))`

ANSWER :D


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