Integration
This is regarded as a very hard topic in A level but if you spot the tricks in each method, it becomes easy.
In any questions you should follow a process that helps identify the correct method to use.
The basics of integration (this is from AS maths)
The basics Video tutorial 1
Areas under a graph and between curves
Definite integration (similar to above)
Finding the equation of a line (finding C) Part 1
Finding the equation of a line part 2
Year 13 A level Integration
Integration by inspection (reverse chain rule). Video 1 Video 2 using e^ Using ln x video 3
Hard example Video 4
Collection of more inspection methods Click here
Harder examples of trig functions (reverse chain rule )
Integration by substitution
Video tutorial 1 Video tutorial 2
A collection of all different types again just from a different source, inc trig functions, using trig identities and more. Worth watching all.
Integrating Trig functions with powers (using double angles). You can't integrate using powers on trig functions
Video 1 Video 2 Integrating squared trig functions Tutorial
Integration By Parts
Part 2 Integration by parts (ln types)
Integration using Partial Fractions
Collection of examples on one video
Standard Integrals and Differentiating Arctanx
Kinematics in integration. Video 1 Video 2
Worksheets - Practise for choosing the correct method
Differential Equations examples
It is more than likely that you will face one of these and they come in several forms
Differential equations - Serperating variables Example 1, Example 2, Example 3
Differential Equations - Involving Partial Fractions Hard A level style question