Non right-angled triangles - the sine and cosine rules
A handy PowerPoint about the sine and cosine rules, stating the rules and showing worked examples that could be used during teaching or for revision.
Includes the ambiguous case of the sine rule.
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Review this resourceLabelling on second Cosine Rule info sheet is incorrect... It says we use the 'SINE' rule when.... It should read 'COSINE' rule.
13/11/2017
Great as an introduction, with good clear examples.
29/03/2017