#### George Keeling

Gold Member

- 47

- 6

... it was easy to calculate that

$$ ê^1=\hat x - \frac { \hat y } {\tan \alpha} $$

and

$$ ê^2=\frac { \hat y } {\sin \alpha} $$

where ...

Is it possible to make the vertical separation smaller? The first example in the latex primer does not seem to suffer from this problem. I tried ## instead of $$ and other problems arose.