If A is the angle between the vectors u = (5, 0, 1 ) and v = (0, 0, 1).
What is the value of cosine of A ?
if u =( 10 +i, i, 27-i )
v = (1+i, 2, 4i)
Find the imaginary part of u.v?
u = (2 + 79 i, 1 + 95 i, 0) , Find norm of u i.e. II u II?