 # Scalar Product

## •    The scalar product or dot product of two vectors is the product of their magnitudes and the cosine of the angle between them. If both the vectors are zero vector, then their scalar product is also zero. Scalar product of two vectors is a scalar quantity.•    If angle between the two vectors is zero, their scalar product is the product of their magnitudes.•    If angle between the two vectors is 180°, their scalar product is the negative of the product of their magnitudes.•    If angle between the two vectors is 90°, their scalar product is zero.•    If two vectors are equal, then their scalar product is equal to the square of magnitude of the vector.•    The scalar product of a unit vector with itself is equal to 1.•    The scalar product of two vectors is commutative.•    Scalar product is distributive over addition.

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