Answer
$2\sin{x}-2\sin{x}+3=3.$
Work Step by Step
$y'=\dfrac{d}{dx}(2\sin{x}+3)=2\cos{x}.$
$y''=\dfrac{d}{dx}(2\cos{x})=-2\sin{x}.$
$-2\sin{x}+2\sin{x}+3=3.$
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