Select the correct answer — task. Mathematics CBSE, Class 10.

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If \(\frac{\cos A}{\cos B} = p\) and \(\frac{\cos A}{\sin B} = q\), then \((p^2 + q^2) \cos^2 B =\)

\(q^2\)
\(p^2\)
\(p^3\)
\(q^3\)

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