Skip to content

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.

  • Home
  • About Me
  • Research
  • Outreach
  • Maths on a Mug

Tag: cosine rule

Cosine Rule on a Sphere

Posted on January 2, 2012 by Sean

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’.

Mathematicscosine rule, non euclidean geometryLeave a Comment

Search my site

Follow @seanelvidge
Tweets by seanelvidge
© 2022 Dr. Sean Elvidge - Powered by NesiaPress