14-S2-Q6 Read more about 14-S2-Q6 Sum to product formula, sum, stationary point, differentiation, curve sketching, inequalities, analysis. [STEP II 2014 Question 6 (Pure)]
03-S3-Q6 Read more about 03-S3-Q6 Solution to trigonometric equations, product to sum formula. [STEP III 2003 Question 6 (Pure)]
