\( \int \frac{1}{\cos x-\sin x} d x \) is equal to (A) \( \frac{1}{\sqrt{2}} \log \left|\tan \le...
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0\( \int \frac{1}{\cos x-\sin x} d x \) is equal to
(A) \( \frac{1}{\sqrt{2}} \log \left|\tan \left(\frac{x}{2}+\frac{3 \pi}{8}\right)\right|+C \)
(B) \( \frac{1}{\sqrt{2}} \log \left|\cot \frac{x}{2}\right|+C \)
(C) \( \frac{1}{\sqrt{2}} \log \left|\tan \left(\frac{x}{2}-\frac{3 \pi}{8}\right)\right|+C \)
(D) \( \frac{1}{\sqrt{2}} \log \left|\tan \left(\frac{x}{2}-\frac{\pi}{8}\right)\right|+C \)
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