Additional Mathematics 0606 / Calculus — Integration / 4.084.08: Differentiation and integration0606/22/M/J/26 — Question 3 · 6 marksMark as done · Save for later · Show official mark scheme(a)Differentiate \(y=\sqrt{x+1}+\cos(5x+3)\).[3]▸ AnswerSee the official mark scheme below.(b)Find \(\displaystyle\int\sec^2\left(\dfrac x3\right)\,\mathrm dx\).[3]▸ AnswerSee the official mark scheme below.▸ Official mark scheme
