Model bearings with vectors - efficient method
A displacement of length 20 is travelled on a bearing of \(210^\circ\). Taking east as positive, enter the east component of the displacement.
Worked practice: result and interpretation
Calculate the requested result first, then choose the interpretation that follows from it.
Write a full answer
Now write the response in full, in your own words — this is what the exam asks for. The AI marks it on the same moves you built above (focus, evidence, technique, judgement) and gives feedback on reasoning, evidence, and expression.