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If 12sinx+5cosx=2y^(2)-8y+21, to get val...

If `12sinx+5cosx=2y^(2)-8y+21`, to get values of x and y is

A

`x=2npi+cos^(-1)(5/13), n inZ,y=2`

B

`x=2n pi +sin^(-1)(5/13), n in Z,y=2`

C

`x=2n pi+tan^(-1)(5/13), nin Z,y=2`

D

`x=2npi+cos^(-1)(5/13), nin Z, y=1`

Text Solution

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The correct Answer is:
A
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