SpiralFlex
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Re: 2012 HSC MX2 Marathon
First one is straight forward from textbook and HSC paper.
Second one. After substitution plus partialness.![](https://latex.codecogs.com/png.latex?\bg_white =\frac{1}{\sqrt{2}}\tan^{-1}(\tan x - \cot x)+\frac{1}{2\sqrt{2}}\ln\frac{\tan x - \cot x-x}{\tan x - \cot x+x})
^This? I am leaving the forum if I don't get this answer correct. I've been puzzled by this for a while now. I hope I am not over thinking.
Must be an easier way haha AAEldar.![Stick Out Tongue :p :p](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)
Note: Sir AAEldar gave me this question a while back.
First one is straight forward from textbook and HSC paper.
Second one. After substitution plus partialness.
^This? I am leaving the forum if I don't get this answer correct. I've been puzzled by this for a while now. I hope I am not over thinking.
Must be an easier way haha AAEldar.
Note: Sir AAEldar gave me this question a while back.
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