\SIN{\numberTHIRDPI}{\sol}
$\sin \pi/3=\sol$

\COS{\numberTHIRDPI}{\sol}
$\cos \pi/3=\sol$

\TAN{\numberTHIRDPI}{\sol}
$\tan \pi/3=\sol$

\COT{\numberTHIRDPI}{\sol}
$\cot \pi/3=\sol$