Additional Mathematics 0606 / Straight-line graphs / 3.543.54: Sine graph sketch (adjacent on paper)0606/11/O/N/22 — Question 2 · 5 marksMark as done · Save for later · Show all solutions(a)On the axes, sketch y=5+12sinxy=5+\tfrac{1}{2}\sin xy=5+21sinx for −2π⩽x⩽2π-2\pi\leqslant x\leqslant 2\pi−2π⩽x⩽2π.[3]▸ Answer(b)Write down the amplitude of 5+12sinx5+\tfrac{1}{2}\sin x5+21sinx.[1]▸ Answer(c)Write down the period of 5+12sinx5+\tfrac{1}{2}\sin x5+21sinx.[1]▸ Answer▸ Official mark scheme← 3.7: Area of shaded region ABCABCABC3.55: Linear law: y3y^{3}y3 against lnx\ln xlnx →