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Given vectors A and B, the cross product C is defined as the vector that
1) is perpendicular to both A and B (which is what you are looking for)
2) whose magnitude is the product of the magnitudes of A and B times the sine of the angle between them.
If we write the three elements of A as A(1) A(2) A(3), and the same for B, then the components of C are
C(1)=A(2)*B(3)-A(3)*B(2);
C(2)=A(3)*B(1)-A(1)*B(3);
C(3)=A(1)*B(2)-A(2)*B(1);
Wiki User
∙ 14y ago
Wiki User
∙ 14y agoBe
u - vector number one
v - vector number two
u is perpendicular to v when
the norm of u times the norm of v times cosine of the angle between the two vectors = 0.
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