At the start of the class we looked at an alternative solution to the inequality question on the mock. This requires us to solve a degree 4 polynomial. 

Trigonometry
We then introduced trigonometry considering both right angled
and nonright angled triangles (see videos):
HW: Try questions from T&T4 2.2, 2.4 and 2.5  Area of a Triangle Sine RuleCosine Rule 