How Do We Use the Compound Angle Formulas? Part 2 In SQA Higher maths you need to be confident with how to use the compound angle formulas. These are given to you in your formula sheet so you don’t have to memorise them, you just need to know how to use them! Let’s tackle it together 🚀 In this video, we continue to look at a past paper question where we need to use our SOHCAHTOA to complete part a then use those answers, alongside our compound angle formulas, for part b. Remember 🧠 These formu