Question

58. If P.Q = PQ, then angle between P and Ő is :
(1) 0°
(2) 30°
(3) 45°
(4) 60°​

Answer 1

Answer:

If, P. Q = PQ

Then , angle between P & Q is - (1) 0°

Explanation:

°•° P. Q = PQ cosA [ Let, A is the angle between P & Q ]

Thus, PQ cosA = PQ

cosA = 1

cosA = cos0°

[ A = 0° ]