Question

give definition of
equal vector
parallel vector
anti parallel vector​

Answer 1

Explanation:

equal equal vectors are those vector which have equal magnitude and same direction angle between them is 0

parallel vectors are those vector which have same directions and angle between them is zero

antiparallel vectors are those vector which have opposite direction and angle between them is 180°

Answer 2

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EQUAL VECTORS

The vector possessing magnitude equal to one and same direction as that of the given vector is known as a unit vector or equal vector.

PARALLEL VECTORS

Angle between parallel vectors is zero degree.We know that cross product of two vectors is product of magnitude of the two vectors multiplied with the sine of the smallest angle between them.

ANTIPARALLEL VECTORS

When two vectors are acting in opposite direction i.e. angle between them is 180 degree so we can say that these two vectors are anti - parallel.