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Dr. Sean Elvidge

Associate Professor in Space Environment at the University of Birmingham, creating the next generation space weather forecast models. Included on Forbes 30 Under 30 list.

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Tag: cosine rule

Mathematics

Cosine Rule on a Sphere

As all (well, at least those that can remember) 15+ year old’s know, to find the length of a side of a non-right angled triangle you can’t use Pythagoras theorem and instead require the so called ‘Cosine Rule’.

Sean
Sean
January 2, 2012March 28, 2012 · 3 mins read
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