1.

If sin theta + cos theta = sqrt(2) cos A " then " theta =

Answer»

`2 n pi + (pi)/(3) PM A, AA n in Z `
`2 n pi + (pi)/(2) pm A, AA n in Z `
`2 n pi + (pi)/(4) pm A, AA n in Z `
`2 n pi + (pi)/(6) pm A, AA n in Z `

ANSWER :C


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