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 Yearling
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Mar
16
awarded  Yearling
Jan
11
answered Seperation of variables algortithm.
Jan
11
reviewed Approve Use formula to prove consecutive integers
Dec
30
awarded  Nice Answer
Aug
25
comment Is there another function with a property like the log?
mathoverflow.net/questions/22706/…
Aug
12
awarded  Custodian
Aug
12
reviewed Approve Are there any books on real analysis that explain what goes on in their proofs for a self studying student?
May
25
comment Complex plane (Show that triangle is right-angled)
Plotted in LaTeX using the Tikz package.
May
25
answered Complex plane (Show that triangle is right-angled)
Mar
16
awarded  Yearling
Dec
9
awarded  Caucus
Nov
4
comment Monotonicity of the function in some near interval of a local maximum critical point
@iMath If that is your definition then a constant function, e.g. $f(x) = 5$ has a local maximum at every point (since there are no nearby values greater than $5$) but it's not increasing or decreasing (depending on your definition of increasing and decreasing).
Nov
3
answered Monotonicity of the function in some near interval of a local maximum critical point
Sep
30
awarded  Explainer
Sep
26
revised differentiating a function of a function $w=\sqrt{u^2+v^2}$
This is not a question about differential equations - retagged.
Sep
26
suggested approved edit on differentiating a function of a function $w=\sqrt{u^2+v^2}$
Sep
5
awarded  Nice Answer
Aug
4
comment Why is $f(x)=\sin (2x-\pi)$ the same as $g(x)=-\sin(2x)$?
@user50224 Look at my comment on your original posting.
Aug
4
comment Why is $f(x)=\sin (2x-\pi)$ the same as $g(x)=-\sin(2x)$?
Step E: If you move $\sin(2x)$ by $\pi$ you get $\sin(2(x - \pi)) = \sin(2x - 2\pi) = \sin(2x)$. What you have actually done is moved it right by $\pi/2$ which is only half a period, hence the negative.
Jun
13
comment how do we interpret this integral from polar co-ordinates
@DavidH For what it's worth, I'm pretty sure he wants your interpretation of the integral.