Vectors and matrices — Question 2
QCAA 2025, Paper 1 · 1 mark
Q2 · 2025 · Technology-freeSimple familiar1 mark
QUESTION 2
The position vector of a particle at time t is given by r=sin(t)i^+cos(t)j^. The path of the particle is WORKED SOLUTION
Answer D
1 markWorked solution
Here x=sint and y=cost, so x2+y2=1. The path is a circle. Worked explanation by QCE Vault; correct option verified against the QCAA answer key.
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