ANSWER WITH SOLUTION

2 Find the first derivative of y = 2 sin r Cos I 1-2 sin I O y' = 4 cos 2x csc3 2x Oy = 4 (tan3 2x + tan 2z) Oy= 4 sin 2x Oy' = -4 csc2 2r cot 2x Oy' = -4 sin 2x sec3 2x