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Let f RR be a function so that (1 - cos x) f(x) x for all x (-2022, 2022). Prove that lim f(x) exists.

Let f RR be a function so that (1 - cos x) f(x) x for all x (-2022, 2022). Prove that lim f(x) exists. x-0 Write your best proof cince 75% of the grade for this question will

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