The resultant of \( \vec{P} \) and \( \vec{Q} \) is perpendicular t...
The resultant of \( \vec{P} \) and \( \vec{Q} \) is perpendicular to \( \vec{P} \).
\( \mathrm{P} \)
What is the angle between \( \vec{P} \) and \( \vec{Q} \)
(1) \( \cos ^{-1}(P / Q) \)
W.
(2) \( \cos ^{-1}(-P / Q) \)
\( \theta \)
(3) \( \sin ^{-1}(P / Q) \)
(4) \( \sin ^{-1}(-P / Q) \)
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