Unit 3: Geometry and Trigonometry
Topic 3.10: Compound angles (HL only) Questions
Practice 13 exam-style questions for IB Math AA SL Topic 3.10. Review the question stems below, then unlock the full Question Bank to access markschemes, model answers, and AI grading.
21 mark
2026
cos A cos B − sin A sin B is a single cosine of:
Markscheme and model answer locked
Unlock Question31 mark
2026
To find the exact value of sin 15°, the best split is:
Markscheme and model answer locked
Unlock Question41 mark
2026
tan 2A = 2 tan A/(1 − tan²A) is obtained from tan(A + B) by:
Markscheme and model answer locked
Unlock Question5Prove3 marks
2026
Prove that tan(x − π/4) = (tan x − 1)/(tan x + 1).
Markscheme and model answer locked
Unlock Question101 mark
2026
The value of tan 105° (= tan(60° + 45°)) is:
Markscheme and model answer locked
Unlock Question11Find3 marks
2026
Angles A and B are acute with sin A = 3/5 and cos B = 5/13. Find the exact value of sin(A + B).
Markscheme and model answer locked
Unlock Question13Solve4 marks
2026
Solve cos(x − π/3) = sin x for 0 ≤ x ≤ 2π.
Markscheme and model answer locked
Unlock QuestionReady to practice Topic 3.10?
Get instant AI feedback on your answers, view detailed markschemes, and track your progress across all IB Math AA SL topics.