Write down the value of x x\,x if cos(x∘)=12\cos(x^\circ)=\dfrac{1}{2}cos(x∘)=21, where 0≤x≤900 \leq x \leq 900≤x≤90
219 exam-style questions on Eduqas GCSE Maths Exact trig values. Each one has a worked solution and a mark scheme showing where the marks go.