How do you differentiate #k(x)=-3 cos x#?
1 Answer
Oct 26, 2016
You could start off by saying that:
y=k(x)
If this is the case:
Now from here you can use implicit differentiation to get
Which means that:
And this means that:
Realistically speaking, if you are studying differentiation, you've got to memorise:
If
This is very important.