1. У = (Х – CosX) * SinX. У’(X) = (X – CosX)’ * SinX + (X – CosX) * (SinX)’ = (1 – (-SinX)) * SinX + (X – CosX) * CosX = Sin^2X + SinX – Cos^2X + X * CosX. У = (X^2 + 3 * X + 5)^5. У’(X) = ((X^2 + 3 * X + 5)^5)’ = 5 * (X^2 + 3 * X + 5) * (X^2 + 3 * X + 5)’ = 5 * (X^2 + 3 * X + 5) * (2 * X + 3). 2. F(X) = 9 * SinX + 14 * X. F’(X) = (9 * SinX + 14 * X)’ = (9 * SinX)’ + (14 * X)’ = 9 * CosX + 14. 3. У = X^2 + 2 * X – 8, X0 = 2. Уравнение касательной Ук = У0 + У’0 * (Х – Х0). У’ = 2 * X + 2. У’(2) = 2 * 2 + 2 = 6. У(2) = 4 + 4 – 8 = 0. Ук = 0 + 6 * (Х – 2) = 6 * Х – 12.