exercise 6.1

Описание к видео exercise 6.1

0:00 Introduction
0:07 Using the Sine and the Cosine Curves to explain the concepts of Sine and Cosine of an obtuse angle
06:50 What is Sine and Cosine of obtuse angles
11:32 Examples on how to apply the concepts of Sine and Cosine of obtuse angles
13:10 Practice question 1
14:52 Practice question 5
18:53 Practice question 9
21:35 Practice question 11
28:25 Practice question 13

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