This video explores the concept of trigonometry, where the sides of triangles are related to the angles via functions in the form of ratios. Trigonometry is not limited to triangles only as they can be used in pattern observation and science use such as medical operations and signal processing.
Timeline:
Introduction: 0:00
Sine law: 1:29
Cosine law: 2:58
Area of triangle: 4:35
Unit circle: 6:05
Graphical representation: 8:03
Formula on graph: 10:05
Note: There are some cutoff speech due to me using my own memory to teach.
Source: Cuemath, MathBits, OnLine Math Learning, MathSux, GeeksforGeeks and Teachoo.
