If you’re struggling with this week’s questions, this walkthrough should help you get the skills you need. If it’s a formula you need, here are the two that are relevant this week. You aren’t given these so you will need to remember them. Trigonometry Ratios Circumference of a circle This week, we’re exploring: Trigonometry Reverse Percentages Circumference of a Circle Proportion Mutually Exclusive and Exhaustive Events Question 1: Trigonometry Trigonometry is sometimes referred to as SOHCAHTOA – but SOHCAHTOA is a mnemonic that helps you remember one type of trigonometry, involving right-angled triangles. It gives the 3 trig ratios, sin, … Continue reading Daily Maths Revision – Week 5 Walkthrough