Additional Mathematics 0606 / Straight-line graphs / 3.183.18: Trigonometric relation yyy in terms of xxx0606/12/M/J/22 — Question 2 · 4 marksMark as done · Save for later · Show all solutionsGiven that secx=2cosθ\sec x=2\cos\thetasecx=2cosθ and coty=2+2cos2θ\cot y=2+2\cos 2\thetacoty=2+2cos2θ, find yyy in terms of xxx.[4]▸ Answer▸ Official mark scheme← 3.17: Particle with s=t+13−12s=\sqrt{t+\tfrac{1}{3}}-\tfrac{1}{2}s=t+31−213.19: Normal to ln\lnln curve; gradient of BCBCBC →
