MathematicsMedium179×since 2002Q4274limx→0sin2x2−1+cosx\mathop {\lim }\limits_{x \to 0} {{{{\sin }^2}x} \over {\sqrt 2 - \sqrt {1 + \cos x} }}x→0lim2−1+cosxsin2x equals:A2\sqrt 22B222 \sqrt 222C4D424 \sqrt 242Check answerSkip