A-Level
CAIE
Mathematics
June 2024
QP-202406-Mathematics-P31 · Question 4
Question (excerpt):
9709/31/M/J/24 © UCLES 2024 [Turn over 4 The complex number u is given by u 1 3 i = - - . (a) Express u in the form ) sini (cos r i i+ , where r 0 2 and 1 G r r i - . Give the exact values of r and i.…
9709/31/M/J/24 © UCLES 2024 [Turn over 4 The complex number u is given by u 1 3 i = - - . (a) Express u in the form ) sini (cos r i i+ , where r 0 2 and 1 G r r i - . Give the exact values of r and i.…
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