These videos look at sine rule type questions, and are aimed at around grade 7 GCSE maths. These questions can be a little challenging, and you will need to take a little time to practice - particularly as some of the problems also involve Pythagoras or SohCahToa. The first video is all about the theory, the second video aims to give you some experience with the sine rule as … [Read more...]

This video is an example of answering a question using the sine rule: "Joe has a field in the form of a triangle ABC, with dimensions as shown. (a) Calculate length AB (b) Calculate the area of the field" The question is aimed at around grade 7 and the topic appears in all the main examination boards, including Edexcel, AQA and OCR. The sine rule is fairly popular and, … [Read more...]

  This video gives an explanation of how to work with difficult GCSE maths iteration questions, sometimes called 'iterative formula.' The questions can be extremely wordy ... but should be absolutely fine once you get the general idea. There's also some additional examples at the end of the page. The question is aimed at GCSE maths grade 7+ calculator paper. (a) … [Read more...]

  This video gives an explanation of how to work with GCSE mathematics iteration type questions, sometimes called 'iterative formula.' They can be extremely wordy ... but should be absolutely fine once you get the general idea. I'll post some additional videos, with similar questions, in the next few days. The question is aimed at GCSE maths grade 7+ calculator … [Read more...]

This video gives an explanation of how to work with iteration, sometimes called iterative formula. It's extremely wordy ... but should be absolutely fine once you get the general idea. I'll post some additional videos, with similar questions, in the next few days. The question is aimed at GCSE maths grade 7+ calculator paper. (a) Show that when f(x) = 0, the equation f(x) … [Read more...]