$\displaystyle \frac{\tan{x}}{x}$ prove this using the first principle... how can we do this????

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- May 1st 2014, 04:36 PMsrirahulanfirst principle
$\displaystyle \frac{\tan{x}}{x}$ prove this using the first principle... how can we do this????

- May 1st 2014, 05:23 PMromsekRe: first principle
- May 2nd 2014, 12:17 AMProve ItRe: first principle
What are we trying to prove? And what is the first principle?