Решение::
sin5x cos3x=sin6x cos2x1/2(sin8x+sin2x)-1/2(sin8x+sin4x)=01/2(sin2x-sin4x)=0sin(-x)cos3x=0x=Пk3x=П/2+Пkx=П/6+Пk/3ответ x=Пk x=П/6+Пk/32sin2x cosx=sin3xsin3x+sinx=sin3xsinx=0 x=Пk..
