and 
of: two vectors and
is: a scalar quantity denoted by 
[M2.6]
is defined: by 
where 
and 
are the magnitudes of the vectors, and 
is the angle from the direction of 
to the direction of 
[M2.6, P2.4]
can be computed: in terms of scalar components, using
[M2.6, P2.2, P2.4]
has the property: that 
also is known as: the dot product.
See scalar product in the Maths handbook for further details.
Copyright 1997, The Open University