Question

what is the angle between a vector and b vector if a vector dot b vector is equal to zero?

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Answer 1

Answer:

There are two types of vector products. One is called scalar product or dot product which is denoted by A.B and is defined as a scalar |A||B| cos theta, where theta is the angle between A and B measured from A towards B in the positive direction. If this product is zero, then cos theta is 0. Then theta = 90°.