The resultant of P̅ and Q̅ is perpendicular to P̅. What is the angle between P̅ and Q̅ - VgyanHub

Question:

23. The resultant of P̅ and Q̅ is perpendicular to P̅. What is the angle between P̅ and Q̅

Options :

a) cos⁻¹(P/Q)
b) cos⁻¹(-P/Q)
c) sin⁻¹(P/Q)
d) sin⁻¹(-P/Q)

Answer :

b) cos⁻¹(-P/Q)

Answer Steps :

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