This is a test of the new Mathjax plugin. Also, a quick little cheat sheet for right-angle trig identities; useful for calculating component forces of an angular force.

$$o = h \, \sin \, \theta = a \, \tan \, \theta$$

$$a = h \, \cos \, \theta = \frac {o}{\tan \, \theta}$$

$$h = \frac {o}{\sin \, \theta} = \frac {a} {\cos \, \theta}$$