The expression\[{{\cos }^{2}}(A-B)+{{\cos }^{2}}B-2\cos (A-B)\cos A\cos B\] is

The expression\[{{\cos }^{2}}(A-B)+{{\cos }^{2}}B-2\cos (A-B)\cos A\co

1.	The expression\[{{\cos }^{2}}(A-B)+{{\cos }^{2}}B-2\cos (A-B)\cos A\cos B\] is
A.	Dependent on B
B.	Dependent on A and B
C.	Dependent on A
D.	Independent of A and B
Answer» D. Independent of A and B

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The expression\[{{\cos }^{2}}(A-B)+{{\cos }^{2}}B-2\cos (A-B)\cos A\cos B\] is

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