If youâ€™re studying for your maths GCSE, there are certain values of sine, cosine and tangent that you need to know off by heart. Luckily, in two of the three mathematics exams, you will be allowed to use a calculator, but in the non-calculator exam you will need to know… Continue reading How to remember exact sin, cos and tan values

# Tag: .higher

## Factorising Quadratic Expressions for GCSE Maths – Higher Tier

Following on from the last blog on factorising quadratics, here is a guide to factorising quadratics of the form ax2 + bx + c, where a is greater than 1. This will only be tested on the higher tier GCSE maths exam, so if you're studying foundation, this blog is… Continue reading Factorising Quadratic Expressions for GCSE Maths – Higher Tier