Additional Mathematics 0606 / Trigonometry / 2.152.15: Cosecant identity and equation0606/22/M/J/18 — Question 1 · 5 marksMark as done · Save for later · Show all solutions(i)Show that cosθcotθ+sinθ=cscθ\cos \theta \cot \theta + \sin \theta = \csc \thetacosθcotθ+sinθ=cscθ.[3]▸ Answer(ii)Hence solve cosθcotθ+sinθ=4\cos \theta \cot \theta + \sin \theta = 4cosθcotθ+sinθ=4 for 0°≤θ≤90°0^{\degree} \le \theta \le 90^{\degree}0°≤θ≤90°.[2]▸ Answer▸ Official mark scheme← 2.4: Quadratic in sin and tan–sin equation2.24: Quadratic in sin and tan–sin equation →
