JEE MATHEMATICS MCQ: MULTIPLE AND SUBMULTIPLE ANGLES

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Analyzing +4 | -1

The expression

{\cos ^2}\left( {A - B} \right) + {\cos ^2}B - 2\,\,\cos \left( {A - B} \right)\cos A\,\,\cos B\;

View answer and explanation

Correct option: C

dependent on

A

Option C (dependent on

A

) is correct because the expression simplifies to

{\sin ^2}A

, which depends only on

A

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