watch out..he'll start posting equations and dare you to solve them..lol.
what an idiot, this is a BB board not calc II-which I got a "B" in about 5 years ago BTW and I wouldn't waste my time solving equations posted by some internet nobody...lol.
Calculus is a beautiful subject.
Given your good grade, differentiate, using the product rule:
sin(4x^2)cot(2X), (differentiating with respect to X)
(Note: The notation X^2 reads as:X raised to the power of 2, IE, X squared)
You may wish to recall that cot()=1/tan(), and that we can express tan() as sin()/cos()