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corbettmaths.com
| | revisionmaths.com

Trigonometry GCSE Maths Revision section covering: Sin, Cos, Tan, Pythagoras, Sine and Cosine Rule, Similar Triangles and Congruency.
2.3 parsecs

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| | www.resourceaholic.com

Maths gems - creative and practical ideas from twitter and blogs for teaching maths
1.7 parsecs

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| | www.shapeoperator.com

[AI summary] The text discusses the use of geometric algebra to solve a sunset problem posed by Robert Vanderbei, avoiding the need for angles. It highlights the advantages of geometric algebra over classical trigonometry, complex numbers, and other methods, emphasizing its coordinate-free nature and applicability to higher dimensions. The text also recommends resources for learning geometric algebra and mentions related problems and experiments for estimating Earth's size.
2.9 parsecs

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| | cambridge163.wordpress.com

This is the excerpt for your very firstpost.
30.8 parsecs

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