GCSE Maths Question on Exact Trig Values

I think this question will stump a LOT of students - it's the last paper on an AQA GCSE Maths paper involving using exact trig. values to solve an equation - a little bit different from your usual question. In this video I take you through the question step by step so that ANYONE can give it a go.

Check out my instagram @mathswithsaraht for a handy cheatsheet on exact trig values

(Question taken from AQA GCSE Maths, Jun 2019, paper 1, question 27)

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