Further Pure Mathematics 4PM1 / Trigonometry / 1.861.86: Trigonometric equations and geometry4PM1/2/June/2018 — Question 1 · 3 marksMark as done · Save for laterIn triangle ABCABCABC, AB=9 cmAB=9\text{ cm}AB=9 cm, BC=6 cmBC=6\text{ cm}BC=6 cm and CA=8 cmCA=8\text{ cm}CA=8 cm.Find, in degrees to the nearest 0.1∘0.1^\circ0.1∘, the size of angle BACBACBAC. (3)▸ Mark scheme← 1.82: 4PM1/2/January/2018 — Question 111.87: 4PM1/2/June/2018 — Question 8 →