- View more resources from this publisherSomething in Common
Tooltip
These resources have been reviewed and selected by STEM Learning’s team of education specialists for factual accuracy and relevance to teaching STEM subjects in UK schools.
Sine Rule Discovery
The investigation begins by looking at the area of three segments related to a quadratic. The investigation begins with a practical investigation using measurement of lengths and angles. The ratio of length of side to sine of the opposite angle is calculated.
There then follows work on two proofs of the sine rule. The first uses right angled triangles and the sine ratio. The second method uses a circumscribed circle with lines running from each vertex to the centre of the circle. The sine ratio is used and the result appears with a little further effort.
Show health and safety information
Please be aware that resources have been published on the website in the form that they were originally supplied. This means that procedures reflect general practice and standards applicable at the time resources were produced and cannot be assumed to be acceptable today. Website users are fully responsible for ensuring that any activity, including practical work, which they carry out is in accordance with current regulations related to health and safety and that an appropriate risk assessment has been carried out.
Downloads
Show downloads
-
Sine Rule Discovery: presentation 984.42 KB -
Sine Rule Discovery: printable resource 492.17 KB
Download all files as a .zip1.22 MB
Information on the permitted use of this resource is covered by the Category Three Content section in STEM Learning’s Terms and conditions.
