Sine and cosine rule Revision

This lesson is intended as a revision rather than a first look, with heavy emphasis on modelling with questioning.

Starter – slides 3-6 – students answer with a,b,c or d. maybe with mini whiteboards

Slide 7 – model sine rule with sides

Slide 8 – model cosine rule with sides

Slide 9 – which would you use for each one? Having established that they can do them.

Slide 10 –answers

Slide 11 –model sine rule-angles

Slide 12 – model cosine rule angles

Slide 13 – which would you use now? Easier LHS. Harder RHS - they then go ahead and solve them

Slide 14 – answers

Slide 15 – GCSE type question