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A.B=|A×B| then angle theta between vectors A and B is

A.B=|A×B| then angle theta between vectors A and B is

Grade:11

1 Answers

Mohd Mujtaba
131 Points
4 years ago
We know a.b=abcostheta and a×b=absintheta. Since a×b=a.b so abcostheta=absintheta. So tantheta =1 implies theta=45degree. Thank

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