Integral Maths Answers -

I'm currently using Integral Maths for my A-Level (MEI spec) and I'm stuck on a few topics (especially the "Large Data Set" questions and some of the harder integration by substitution problems).

Thanks in advance.

Before anyone says it – I know we aren't supposed to just cheat the system, and I have been using the hints and "Similar Questions" feature. But sometimes, even the mark scheme doesn't explain why a step happens (e.g., why they chose u = tan(x/2)). integral maths answers

Hey everyone,