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thomas5267
 4 years ago
@Callisto Can you give me some more examples of doing integration "your way"?
thomas5267
 4 years ago
@Callisto Can you give me some more examples of doing integration "your way"?

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Callisto
 4 years ago
Best ResponseYou've already chosen the best response.1\[=\int \frac{sinx}{cosx}dx\]\[=\int \frac{1}{cosx}d(cosx)\]\[=\lncosx+C\] Try: \[\int cotx dx\]

thomas5267
 4 years ago
Best ResponseYou've already chosen the best response.0\[ \begin{align*} &\int\cot(x)\,dx\\ =&\int\frac{1}{\tan(x)}\,dx\\ =&\int\frac{\cos(x)}{\sin(x)}\,dx\\ =&\int\frac{1}{\sin(x)}\,d(\sin(x))\\ =&\int\ln(\sin(x)) \end{align*} \] Seems legit...

Callisto
 4 years ago
Best ResponseYou've already chosen the best response.1No int for the last line \[=\int\frac{1}{sinx}d(sinx)\]\[=lnsinx+C\]
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