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Homework Statement
Using Taylor's theorem, prove that
[tex]x-\frac{x^3}{6}<sin(x)<x-\frac{x^3}{6}+\frac{x^5}{120}[/tex] for x>0.
Homework Equations
The Attempt at a Solution
I know what is Taylor theorem but i haven't done some basic questions on it, i mean the easy ones. I have no idea on how should i start here.