Determine if the integral converges or not and show steps : integral 1 to pi/2 tan(x) dx

Question

anonymous · Answer

It has a well known anti-derivative (indefinite integral) . Check book or wolframalpha site.
This Integral clearly DIVERGES at Pi/2.

anonymous · Answer

you can't show me the work?

anonymous · Answer

First stage http://www.wolframalpha.com/input/?i=integral+tan+x+dx Second stage http://www.wolframalpha.com/input/?i=lim+x-%3EPi%2F2+log%28cos+x%29++

anonymous · Answer

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anonymous · Answer

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anonymous · Answer

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