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chava61photography.photo.blog
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cavmaths.wordpress.com
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| | | | | While teaching non-right angled trig recently it occurred to me that when doing the questions myself, I don't actually thing about the formula all that much. Particularly with the sine rule. Yet I still start the teaching of it using the formula heavily. It made me wonder if this was really all that necessary. Firstly... | |
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www.hardcodet.net
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ropmann.wordpress.com
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