Sine and Cosine Rule
Skill
 Type
 Description
 Source

Cosine Rule 
Worksheet 
On completion of this worksheet you should be able to use the cosine rule to find the sides and angles of a triangle 
Coventry University 
Sine Rule 
Worksheet 
On completion of this worksheet you should be able to use the sine rule to find the sides and angles of a triangle 
Coventry University 
The Sine Rule and Cosine Rule 
Worksheet 
This leaflet states the sine and cosine rules and gives examples of their use 
MathsCentre 
Triangle Formulae 
Booklet 
This unit explains the sine rule, cosine rule and formula for finding the area of a triangle 
MathsCentre 
Cosine rule 1 
MiniClip 
Cosine rule 1 
Leeds University 
Cosine rule 2 (with sine rule) 
MiniClip 
Cosine rule 2 (with sine rule) 
Leeds University 
Sine rule 
MiniClip 
Sine rule 
Leeds University 

Enquries, feedback and comments to: Chetna.Patel@shef.ac.uk
