Решите две производные функции y=f(x)
А) y' = 12Cos(5x +4) * (-Sin(5x +4) * 5 - 1/Sin²(1 - 6x²) * (-12x) = =-30Sin(10x +8) +12x/Sin²(1 - 6x²) б) y' = 8/Cos²(2 + 5x³) * 15x² -10Sin(7 -8x) * Cos(7 -8x) * (-8) = = 120x²/Cos²(2 + 5x³) + 40 Sin(14 -16x)