Question 1112841
<br>
Sorry we have tutors here who think it is funny to provide useless answers to your real questions....<br>
{{{ (sin 15+sin 75)^6 }}}<br>
= {{{(sin15+cos15)^6}}}  (sinx = cos(90-x))<br>
= {{{((sin15+cos15)^2)^3}}}<br>
= {{{((sin15)^2+2sin15cos15+(cos15)^2)^3}}}<br>
= {{{(1+sin30)^3}}}  (sin^2+cos^2=1; 2sinxcosx = sin(2x))<br>
= {{{(3/2)^3}}}<br>
= {{{27/8}}}