If \( \cot A=\frac{5}{12} \) and \( A \) is not in the first quadrant, then \( \frac{\sin A-\cos...

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If \( \cot A=\frac{5}{12} \) and \( A \) is not in the first quadrant, then \( \frac{\sin A-\cos A}{1+\cot A} \) is
(a) \( \frac{-74}{25} \)
(b) \( \frac{-84}{221} \)
(c) \( \frac{-87}{223} \)
(d) None of these
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