Read a derivation of the chain rule for differentiation, and then use our Mathmo app to practise.
Read a derivation of the Product Rule for differentiation, and then use our Mathmo app to practise.
Try this selection of differentiation and integration questions to practise choosing an appropriate technique.
Can you find the area of the central part of this shape? Can you do it in more than one way?
Build series for the sine and cosine functions by adding one term at a time, alternately making the approximation too big then too small but getting ever closer.