Thursday, February 11, 2010

Trigonometry - Right Angled Triangles

Pythagorean Theoremnotes and examples. These animations are demonstrations of the Pythagorean theorem. 

There are more examples and questions to try from Project Maths here. Note how the answer is written out - this is how you should write your work.

You can practice finding the missing side here and then check your answer.


Trigonometry notes and examples

You can see the solution to Activity 8 here.
You can practice finding the missing side here and then check your answer.

You can practice finding the missing side here and then check your answer.

 You can practice finding the hypotenuse here and then check your answer.


Before calculators students had to look up the values for sines etc in tables like this. Click image to enlarge.
Sine Tables

In these tables each degree is divided into minutes - 60 minutes = 1 degree

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