Question

find the derivative of cosx / 2x+3​

Answer 1

Step-by-step explanation:

Still, we can use the chain rule to say that ddxu2=2u⋅u' . Here, we have u=cos(x3) . Now, when dealing with the cosine function's derivative, recall that ddxcosu=−sinu⋅u' . We know that u=x3