Question 1060238
<pre>
{{{sin("255°")}}}{{{""=""}}}{{{sin("120°"+"135°")}}}{{{""=""}}}{{{sin("120°")cos("135°")+cos("120°")sin("135°")}}}{{{""=""}}}

{{{(sqrt(3)/2)(-sqrt(2)/2)+(-1/2)(sqrt(2)/2)}}}{{{""=""}}}{{{-sqrt(6)/4-sqrt(2)/4}}}{{{""=""}}}{{{ (-sqrt(6)-sqrt(2))/4}}}{{{""=""}}}{{{(-(sqrt(6)+sqrt(2)))/4}}}{{{""=""}}}{{{-(sqrt(6)+sqrt(2))/4}}}


Edwin</pre>