If x=sin square theta and y=2cos square theta +1 then what will be x+y=?
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let theta be A
x+y=sin^2 A+2cos^2 A+1
=1+cos^2 A+1
=2+cos^2 A
(or)
=3-sin^2 A
x+y=sin^2 A+2cos^2 A+1
=1+cos^2 A+1
=2+cos^2 A
(or)
=3-sin^2 A
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