GCSE Secondary Maths Age 13-17 - Pythagoras & Trigonometry: The Sine and Cosine Rules - Explained

The video tutorial explains how to calculate the length of a line segment in a non-right angled triangle using the sine and cosine rules. It starts with setting up the problem, then applies the sine rule to find one side of a triangle, and the cosine rule to find the desired length. The tutorial concludes with a breakdown of marks and advice on using calculators effectively.

What information is needed to use the sine rule effectively?

Describe the process of finding the length of side X in triangle ADB.

What is the significance of significant figures in the final answer?