A-Level
AQA
Further Mathematics
January 2022
QP-202201-Further Mathematics-UFP2 · Question 12
Question (excerpt):
*20* IB/G/Jan22/FM03 outside the box 12 (a) (i) Use de Moivre’s theorem to show that if = cos i sin + θ z θ then + = cos n n z nθ z 1 2 [3 marks] 12 (a) (ii) Given that ( ) ( ) i sin cos = θ θ z z z z…
*20* IB/G/Jan22/FM03 outside the box 12 (a) (i) Use de Moivre’s theorem to show that if = cos i sin + θ z θ then + = cos n n z nθ z 1 2 [3 marks] 12 (a) (ii) Given that ( ) ( ) i sin cos = θ θ z z z z…
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