A) \[\frac{25}{24}\]
B) \[\frac{25}{7}\]
C) \[\frac{24}{25}\]
D) None of these
Correct Answer: D
Solution :
\[\cot \,\left[ {{\cos }^{-1}}\left( \frac{7}{25} \right) \right]=\cot \,\left[ {{\cot }^{-1}}\left( \frac{7}{24} \right) \right]=\frac{7}{24}\].
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