Wikipedia:Tutorial (historical)/Editing/sandbox

Just trying out some stuff like:

$\sin {\frac {\alpha \,}{2}}=\pm {\sqrt {\frac {1-\cos \alpha \,}{2}}}$

About Wikipedia

Wikipedia is a collaborative encyclopedia. Volunteers put lot of efforts to stop it from becoming a junkyard

I am learning how to format in wikipedia so that i can also contribute here

Can we write about places here

Lets check if it generates content automatically

is it working fine