(a)[2]
Sketch the graph of $y=\cos x$ over $0^{\circ}\leq x\leq360^{\circ}$.
(b)[2]
Determine the value of $x$.
Mathematics 0580 · IGCSE · Graphs of functions
Graphs of functions — practice question
Worked solution & mark scheme
This 4-mark question has a full step-by-step worked solution and mark scheme. One marking point: “A correct cosine sketch must pass through $(0,1)$, $(180,-1)$ and $(360,1)$.” …
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