Yang li shuang (Primary Math,Elementary Math,Additional Math)

# Trigonometry

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In this course, we will cover all you need to know about trigonometry in a right-angled triangle, obtuse and acute triangle, congruency and similarity test. This will form the foundation of your understanding of further trigonometry in the unit circle, graphs and other trigonometry identities in Additional Math. By the end of this course you would learn: Sin rule Cos rule Congruency and similarity triangle proof real-life application of trigonometry (angle of elevation/depression/pythagoras Theorem) https://www.facebook.com/learnwlishuang/

This course includes:
1 Lesson Video
0 Assignments

### Basics of Trigonometry Part 1

In this lesson. we will learn the basics of trigonometry which includes Sin, Cos and Tan formula in a right-angle triangle and this will form the foundation for the other trigonometric functions later on. In this lesson, you will learn about how an angle relates to the side of a triangle and how you are able to derive an angle or a side of a triangle given two properties.