1. Sine and Cosine Rule
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2. Recall – Pythagoras’ Theorem
You can use Pythagoras’ Theorem to Find the length of the missing side

10. Ex: 1. Figure out which ratio to use. Find x
Ex: 1 Figure out which ratio to use. Find x. Round to the nearest tenth.
20 m x

11. Sine and Cosine Rule
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32. Question 1 – (a) , (b) Question 2 – (a) , (b) Question 3 – (a) , (b)
Now Try The worksheet
Question 1 – (a) , (b)
Question 2 – (a) , (b)
Question 3 – (a) , (b)

50. Question 4 – (a) , (b) Question 5 – (a) , (b)
Now Try The worksheet
Question 4 – (a) , (b)
Question 5 – (a) , (b)