plumiTrig identities: Edexcel A‑Level Maths questions
Edexcel A-Level Maths past-paper questions on 5.6 Trig identities, 2010–2025, with mark schemes and examiner’s reports where available. Add MadAsMaths questions to your practice, or browse them separately by topic and difficulty.
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All 12 questions on Trig identities, as a list
- June 2025, AS Pure, Q8 (5 marks): In this question you must show all stages of your working. Solutions relying entirely on calculator technology are not acceptable. Solve, for 0 x 90°, the e
- June 2024, Pure 2, Q8 (7 marks): In this question you must show all stages of your working. Solutions relying entirely on calculator technology are not acceptable. (a) Prove that o 1 1 2tan sec
- June 2024, AS Pure, Q13 (9 marks): In this question you must show all stages of your working. Solutions relying entirely on calculator technology are not acceptable. (a) Show that the equation si
- June 2023, Pure 2, Q14 (7 marks): In this question you must show all stages of your working. Solutions relying entirely on calculator technology are not acceptable. (a) Show that the equation 2
- June 2023, AS Pure, Q12 (9 marks): In this question you must show detailed reasoning. Solutions relying entirely on calculator technology are not acceptable. (a) Show that the equation 4 5 tan co
- June 2022, Pure 2, Q15 (10 marks): In this question you must show all stages of your working. Solutions relying on calculator technology are not acceptable. Given that the first three terms of a
- November 2021, AS Pure, Q12 (9 marks): In this question you should show all stages of your working. Solutions relying entirely on calculator technology are not acceptable. (i) Solve, for 0 < θ 450°
- November 2020, Pure 1, Q15 (7 marks): The curve C has equation x2 tan y = 9 0 < y < 2 π (a) Show that d d y x = − + 18 81 4 x x (4) (b) Prove that C has a point of inflection at x = 27 4 (3)
- November 2020, AS Pure, Q9 (8 marks): P(c, d) y O x Figure 3 Figure 3 shows part of the curve with equation y = 3 cos x°. The point P(c, d) is a minimum point on the curve with c being the smallest
- June 2019, Pure 1, Q14 (7 marks): The curve C, in the standard Cartesian plane, is defined by the equation x = 4 sin 2\ 4 4 π π y − < < The curve C passes through the origin O (a) Find th
- June 2019, Pure 2, Q4 (6 marks): y x O S C2 C1 Figure 2 The curve C1 with parametric equations x FRVt , y = 4 2sin t , 0 - t 2ʌ meets the circle C2 with equation x2 + y2 = 66 at four dist
- June 2019, AS Pure, Q12 (7 marks): (a) Show that 2 10sin 7cos 2 3 2cos θ θ θ − + + Ł±FRVș (4) (b) Hence, or otherwise, solve, for 0 - x 360q, the equation 10 7 2 3 2 2 sin cos cos x x x −
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