- #1

- 392

- 13

## Homework Statement

##\lim_{a\rightarrow b} \frac{tan\ a - tan\ b}{1+(1-\frac{a}{b})\ tan\ a\ tan\ b - \frac{a}{b}}## = ...

## Homework Equations

tan (a - b) = (tan a - tan b)/(1+tan a tan b)

## The Attempt at a Solution

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I don't know how to convert it to the form of tan (a-b) since there are some extras in the denominator

Please help