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(a) What is the angle between `vecA and vecB` if `vecA and vecB` denote the adjacent sides of a parallelogram drawn form a point and the area of the parallelogram is `1/2 AB` ?(b) State and prove triangular law of vector
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(a) What is the angle between `vecA and vecB` if `vecA and vecB` denote the adjacent sides of a parallelogram drawn form a point and the area of the parallelogram is `1/2 AB` ?
(b) State and prove triangular law of vector addition?
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