Given \(i = \sqrt{-1}\), what will be the evaluation of the definite integral…
2011
Given \(i = \sqrt{-1}\), what will be the evaluation of the definite integral \(\int \limits_0^{\pi/2} \dfrac{\cos x +i \sin x} {\cos x - i \sin x} dx\)?
- A.
\(0\) - B.
\(2\) - C.
\(-i\) - D.
\(i\)
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Correct answer: D
