1MA0 Higher November 2012 Paper 1 Q27
27
(a) On the grid, draw the graph of \(x^2 + y^2 = 4\) (2)
(b) On the grid, sketch the graph of \(y = \cos x\) for \(0^\circ \leqslant x \leqslant 360^\circ\) (2)
| Answer | Mark | Notes |
|---|---|---|
| Circle, centre \(O\), radius 2 | 2 | B2 cao (B1 for a circle radius 2 any centre or for a circle or part of a circle centre (0, 0) any radius) |
| Answer | Mark | Notes |
|---|---|---|
| Cosine curve crossing at (0, 1), (90, 0), (270, 0) and (360, 1) | 2 | B2 cao (ignore if sketch outside region) (B1 for a curve with correct intercepts but incorrect amplitude OR for a curve starting at (0,1) with correct amplitude but incorrect intercepts; curves must have a shape that approximates to a cosine curve) |