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Trigonometric Ratios

Here we have a collection of videos to help GCSE Maths students learn about the trigonometric ratios.

 

 

Trigonometry - Right Angled Triangles - Naming the Sides
In this tutorial you are shown how to name the sides of any right angled triangle which is the first stage in solving a question in trigonometry.

 

 

Trigonometry - The Trig Ratios
In this tutorial you are shown how the sin, cos and tan ratios compare two sides of a right angled triangle.. You need to know this before calculating lengths and angles of right angled triangles.

 

 

Trigonometric Ratios

 

 

 

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