The Cosine Rule extends Pythagoras’ Theorem to non right angled triangles
lesson notes: 07 cosine rule
The Cosine Rule extends Pythagoras’ Theorem to non right angled triangles
lesson notes: 07 cosine rule
The cosine rule is another rule that can be used in non right-angled triangles
lesson notes:07 cosine rule
There are some situations that the Sine Rule can’t handle, so now we create the Cosine Rule to cover those situations.
lesson notes:07 cosine rule
The companion to the Sine Rule; the Cosine Rule, which also allows angles and sides to be found in non-right angled triangles
lesson notes:07 cosine rule
To complement the Sine Rule, the Cosine Rule will help solve problems in non right-angled triangles
lesson notes:07 cosine rule