A-Level
CAIE
Mathematics
October 2025
QP-202510-Mathematics-P31 · Question 3
Question (excerpt):
9709/31/O/N/25 © UCLES 2025 3 (a) Express ( ) cos sin x x 3 2 45° + + in the form ( ) cos R x a - , where R 0 2 and ° ° 0 90 1 1 a . [4] ...............................................................…
9709/31/O/N/25 © UCLES 2025 3 (a) Express ( ) cos sin x x 3 2 45° + + in the form ( ) cos R x a - , where R 0 2 and ° ° 0 90 1 1 a . [4] ...............................................................…
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