18-S2-Q4 Read more about 18-S2-Q4 Trigonometric equations, angle addition, roots. [STEP II 2018 Question 4 (Pure)]
17-S2-Q3 Read more about 17-S2-Q3 Trigonometric equations, sin, arcsin, sin graph, curve sketching. [STEP II 2017 Question 3 (Pure)]
