The shell command<br />"/lrn-mdl-prod/build/71384/filter/tex/mimetex.linux" -e "/lrn-mdl-prod/moodledata/filter/tex/fc24b341939aa32875fc761ed1724b69.gif" -- '\Large  r_0 \triangleq \cos\left(\frac{\theta}{2}\right), \qquad r_1 \triangleq \sin\left(\frac{\theta}{2}\right). '<br />returned status = 1<br />
Image not found!<br />Please try the <a href="https://lo.unisa.edu.au/filter/tex/texdebug.php">debugging script</a>