AQA Further Paper 1 2022 June — Question 2

Exam BoardAQA
ModuleFurther Paper 1 (Further Paper 1)
Year2022
SessionJune
TopicComplex numbers 2

2 Simplify $$\frac { \cos \left( \frac { 6 \pi } { 13 } \right) + i \sin \left( \frac { 6 \pi } { 13 } \right) } { \cos \left( \frac { 2 \pi } { 13 } \right) - i \sin \left( \frac { 2 \pi } { 13 } \right) }$$ Tick ( \(\checkmark\) ) one box. $$\begin{array} { l l } \cos \left( \frac { 8 \pi } { 13 } \right) + i \sin \left( \frac { 8 \pi } { 13 } \right) & \square
\cos \left( \frac { 8 \pi } { 13 } \right) - i \sin \left( \frac { 8 \pi } { 13 } \right) & \square
\cos \left( \frac { 4 \pi } { 13 } \right) + i \sin \left( \frac { 4 \pi } { 13 } \right) & \square
\cos \left( \frac { 4 \pi } { 13 } \right) - i \sin \left( \frac { 4 \pi } { 13 } \right) & \square \end{array}$$