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December 24th, 2017, 08:58 AM   #1
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Proof Inequality

Show that $\displaystyle \; \sin k>k- \frac{k^3 }{6}\; $ for $\displaystyle k\in N$
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December 24th, 2017, 01:53 PM   #2
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Can you assume knowledge of the Maclaurin series for the sine function?
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