In Exercises 75 and 76, select the one correct inequality,
Chapter 4, Problem 4.1.1.531(choose chapter or problem)
In Exercises 75 and 76, select the one correct inequality, (a) or (b). Give a convincing argument.
(a) \(-x \leq x \sin x \leq x\) for all x.
(b) \(-|x| \leq x \sin x \leq|x|\) for all x.
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