In this video we are going to discover what the sine rule is and how it works. For right angle triangles, we can use Pythagoras and SOHCAHTOA to find missing sides and missing angles. However, not every triangle is a right-angle...

This video shows the process for solving the problem presented in IGCSE A June 2018 paper 2H Q18, which involves using the sin and cosine rule. Students will understand the Law of Cosines and its application in solving for the largest...

This video shows the process for solving the problem presented in IGCSE A June 2018 paper 1HR Q18, which involves finding the angle of a quadrilateral with an acute angle. By the end of the video, learners will understand the properties...

SchoolOnline's Secondary Maths videos are brilliant, bite-size tutorial videos delivered by examiners. Ideal for ages 13-17, they cover every key topic and sub topic covered in GCSE Maths in clear and easy to follow...