Case study·Standard multi-step (3/5)·No calculator
Difficulty guide
The label describes the problem, not your ability.
1/5 - Foundational
Warm-up setup; checks one basic idea.
2/5 - Routine exam skill
Normal syllabus skill; usually one main rule or interpretation.
3/5 - Standard multi-step
Exam-style problem with multiple steps or a common trap.
4/5 - Hard exam skill
High-end exam problem; combines methods carefully.
5/5 - Challenge
Stretch problem beyond normal exam pressure.
Question
A cable is tied from the top of a vertical mast to the ground. The mast is m high and the cable makes an angle of with the ground.
Total: 5 marks
(a) Find the length of the cable. (2 marks)
(b) Find the horizontal distance from the mast to the point where the cable is fixed. (2 marks)
(c) Which trigonometric ratio directly compares height with horizontal distance here? (1 mark)
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