Скачать или смотреть How to find an ANGLE in a right angled triangle when given two sides | Trigonometry

How to find an ANGLE in a right angled triangle when given two sides | Trigonometry ►    • How to find an ANGLE in a right angled tri...   Playlist►    • Плейлист  
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In this video we will use Trigonometry to find the angles of right angled triangles. In a right angled triangle, if you are given 2 sides, you can find the angle by using the inverse trigometric ratio. This is known as finding the arc or inverse. This video will cover the basic trigometric ratios in right angled triangles - sin tan and cos. We will then look at 3 examples which will help you to find the missing angle of a right angled triangle using the trigonometry ratios.

This Video Covers:
0:00 Definition of sin, cos and tan in a right angled triangle.
0:24 Example 1 - Use the sin trigonometry ratio with 2 sides to find the angle.
1:13 Example 2 - Use the tan trigonometry ratio with 2 sides to find the angle.
1:58 Example 3 - Use the cos trigonometry ratio with 2 sides to find the angle.

This video is suitable for pupils in Scotland at National 4 or National 5 Mathematics or GCSE Mathematics.

Top Tips:
Always read the question
If you get stuck, rewatch the relevant part of the video.
To get better at maths, push yourself to try the harder examples
Try redoing my examples and see if you can do them yourself.

Thankyou for watching.

   • How to find an ANGLE in a right angled tri...  

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