If P.Q = PQ, then angle between and õ is :
(1) 0°.
(2) 30°
(3) 45°
(4) 60°
Answers
Answered by
4
Answer:
0°
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Step-by-step explanation:
P.Q=pQcos ©
then cos © =1 only when ©=0
then p.q=pq
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