Найти производную.
= 2 − sin 5 x − 4 sin 3 x ⋅ cos 2 x sin 8 x + 3 − sin 3 x − 2 sin x ⋅ cos 2 x sin 4 x = 2 − sin 2 x − 4 cos 2 x sin 5 x + 3 − sin 2 x − 2 cos 2 x sin 3 x = {\displaystyle =2{\frac {-\sin ^{5}{x}-4\sin ^{3}{x}\cdot \cos ^{2}{x}}{\sin ^{8}{x}}}+3{\frac {-\sin ^{3}{x}-2\sin {x}\cdot \cos ^{2}{x}}{\sin ^{4}{x}}}=2{\frac {-\sin ^{2}{x}-4\cos ^{2}{x}}{\sin ^{5}{x}}}+3{\frac {-\sin ^{2}{x}-2\cos ^{2}{x}}{\sin ^{3}{x}}}=}