Choose the correct answer — task. Maths CBSE Homework Assignments, Class 10.

If \(\cos A + \sin A = \sqrt{2} \cos A\), then \(\cos A - \sin A =\)

\(2\sin A\)
\(\sqrt{2} \sin A\)
\(\sqrt{2} \cos A\)
\(2\cos A\)

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