Two vectors A andB are such that |A|=3 |B| = 4 and |A,B|=5 find the angle between A and B. ,the lend between |A+B| Answer 114.6° √15

Two vectors A andB are such that |A|=3 |B| = 4 and |A,B|=5 find the an

1.	Two vectors A andB are such that \|A\|=3 \|B\| = 4 and \|A,B\|=5 find the angle between A and B. ,the lend between \|A+B\| Answer 114.6° √15
Answer» it was DONE by USING a+b WHOLE SQUARE

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Two vectors A andB are such that |A|=3 |B| = 4 and |A,B|=5 find the angle between A and B. ,the lend between |A+B| Answer 114.6° √15

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