A \( \frac{\cos \sqrt{x}}{4\sqrt{\sin \sqrt{x}}} \)
B \( \frac{\sin \sqrt{x}}{4\sqrt{x}\cos \sqrt{x}} \)
C \( \frac{\cos \sqrt{x}}{4\sqrt{x \sin \sqrt{x}}} \)
D None of these
Correct Answer: Option C
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