Given the vector OM = 2i + 3j, the direction of this vector is:
tan⁻¹ (3/2).
tan⁻¹ (2/3).
tan (3/2).
tan⁻¹ 5.
Given the right-angled triangle PQR in the figure, the adjacent side to the angle θ is:
PQ.
PQR.
QR.
PR.