Anaahmedr2002 Anaahmedr2002 18-10-2022 Mathématiques Answered FRstudy.me: où vos questions rencontrent des réponses expertes. Notre plateforme interactive de questions-réponses fournit des réponses précises et complètes pour vous aider à résoudre vos problèmes rapidement. Two vectors lie with their tails at the same point. When the angle between them is increased by 20° their scalar product has the same magnitude but changes from positive to negative. The original angle between them was
