English, asked by yasirarafatktk31, 11 hours ago

Choos Two vectors lie with their tails at the same point. When the angle between 1 them is increased by 20° their scalar product has the same magnitude but changes from positive to negative. The original angle between them was, A.O B. 60° C. 70° D. 80°​

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Answered by itivetts018
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Answer : Hope it helps have a great day!!

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