AS June 2021 Paper 1 Q1
1 The complex number \(\omega\) is shown below on the Argand diagram.
Which of the following complex numbers could be \(\omega\)?
Tick (✓) one box. [1 mark]
- \(\cos(-2) + \mathrm{i}\sin(-2)\)
- \(\cos(-1) + \mathrm{i}\sin(-1)\)
- \(\cos(1) + \mathrm{i}\sin(1)\)
- \(\cos(2) + \mathrm{i}\sin(2)\)
| Scheme | Marks | AO |
|---|---|---|
| Ticks correct box | B1 | 1.1b |
| (1 mark) |
Typical solution
\(\cos(2) + \mathrm{i}\sin(2)\)