2019-01-27T09:12:54ZFluxBBhttp://www.mathisfunforum.com/viewtopic.php?id=24771This problem can be solved along several paths. However, I will take the integration path since this is the natural answer of the question. The identity can be deduced as follows:
but we know that:
hence
However, when x=0 we have:
and hence
which is the required result. I hope that answer your question.]]>http://www.mathisfunforum.com/profile.php?id=2122842019-01-27T09:12:54Zhttp://www.mathisfunforum.com/viewtopic.php?pid=406869#p406869Hi Math 1122,
Welcome! Why not register an account with us?
You can start by using the identity
You'll also need (some, if not all of) these facts:
]]>http://www.mathisfunforum.com/profile.php?id=2060892019-01-26T18:28:43Zhttp://www.mathisfunforum.com/viewtopic.php?pid=406865#p406865Integral of secx is ln secx +tanx How this is ln tan (pi/4 + x/2 )]]>2019-01-26T17:02:24Zhttp://www.mathisfunforum.com/viewtopic.php?pid=406863#p406863