How do you differentiate #y = 6sin cos4x#?
1 Answer
Oct 6, 2015
-24 cos cos4x. sin 4x
Explanation:
This can be easily done by application of chain rule. First differentiate sin w.r.t cos 4x, then differentiate cos with respect to 4x and lastly differentiate 4x w.r.t x as shown below
y' = 6 cos cos4x .(-sin4x). 4
= -24 cos cos4x. sin 4x
