MCQ
$\int\limits_0^{\frac{\pi }{4}} {\frac{2}{{\sec x + \cos ecx + \tan x + \cot x}}\,\,dx = ........} $
- A$0$
- ✓$1 - \frac{\pi }{4}$
- C$\frac{4}{\pi } + 1$
- D$\frac{2}{\pi } + 1$
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