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Maths Café


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Teaching the sine, cosine and area formulae for non-right-angled triangles

robo0123 19 December 2017 20:36
Posts45
Joined16/12/11

Hi,
I've written a blog for teaching the sine, cosine and area formulae for non-right-angled triangles. Includes common misconceptions in exam papers and the importance of teaching proof.

Am grateful for any feedback.
Thanks
Jonathan

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