Question

Решить уравнение 
8*sqrt 6*sin (9π/4) * sin π/3

Answer 1

$8 sqrt{6}sin( frac{ pi}{4})sin( frac{ pi }{3})=8 sqrt{6} frac{ sqrt{2}}{2} frac{ sqrt{3}}{2}=8 frac{ sqrt{6*2*3}}{4}=2 sqrt{36}=2*6=12$