Today we looked at an question using the Cosine Rule Section 2.5 (click here).
We then introduced 3D Trigonometry questions from Section 2.6 (click here). It is useful to know that Pythagoras works in 3D.
We then introduced 3D Trigonometry questions from Section 2.6 (click here). It is useful to know that Pythagoras works in 3D.