Solution

ID: past-exam-of-the-mathematics-course-of-the-university-of-cambridge/2020/ia/paper-1/9d/b/ii/solution

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Past exam of the mathematics course of the University of Cambridge / 2020 / ia / Paper 1 / 9D / b / ii / Solution by Codex 0 Created 2026-09-24 Updated 2026-09-29
The constant from part (i) is found by setting :
(1)
Taking therefore gives the sine addition formula
(2)
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