A-Level
CAIE
Mathematics
May 2025
QP-202505-Mathematics-P21 · Question 7
Question (excerpt):
9709/21/M/J/25 © UCLES 2025 7 (a) Prove that sin cos cos cos x x x x 2 4 2 4 2 2 4 / + . [3] ...........................................................................................................…
9709/21/M/J/25 © UCLES 2025 7 (a) Prove that sin cos cos cos x x x x 2 4 2 4 2 2 4 / + . [3] ...........................................................................................................…
Question Slice Image
Official Mark Scheme & Solution
The official answer and mark scheme are available to signed-in users in the PaperAce App.