These are flashcards for the Edexcel International A-Level Maths Pure 2 book. They include some images.
| Front | Give an equation linking \(\sin\theta\) and \(\cos\theta\) |
| Back | \(\sin^{2}\theta+\cos^{2}\theta=1\) |
| Front | What is te formula for the \(n\)th term of an arithmetic sequence? |
| Back | \(u_{n}=a+(n-1)d\), where \(a\) is the first term and \(d\) is the common difference |
| Front | What is \(\log_{a}x-\log_{a}y\)? |
| Back | \(\log_{a}(\frac{x}{y})\) |