Mathematics
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Abhijit
  • Member for 10 years, 2 months
  • Last seen more than a week ago
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7
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Top posts
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All Questions Answers
Score Newest
answer
23
What would have been our number system if humans had more than 10 fingers? Try to solve this puzzle.
Aug 6, 2013
answer
22
Solve $\cos^2x-\sin^2x= 1$
Mar 14, 2013
answer
15
How to find the value of $\sin{\dfrac{\pi}{14}}+6\sin^2{\dfrac{\pi}{14}}-8\sin^4{\dfrac{\pi}{14}}$
Mar 30, 2013
question
11
How to prove $\cos\left(\pi\over7\right)-\cos\left({2\pi}\over7\right)+\cos\left({3\pi}\over7\right)=\cos\left({\pi}\over3 \right)$
Mar 31, 2013
answer
10
Trying to find a function whose derivative is $\cfrac{4x^3}{x^4+1}$ any ideas?
Mar 19, 2013
answer
9
How can I prove that $xy\leq x^2+y^2$?
Apr 10, 2013
answer
8
Show that $\frac{\sin x}{\cos 3x}+\frac{\sin 3x}{\cos 9x}+\frac{\sin 9x}{\cos 27x} = \frac{1}{2}\left(\tan 27x-\tan x\right)$
Mar 28, 2013
answer
8
Prove $ax^2+bx+c=0$ has no rational roots if $a,b,c$ are odd
Mar 24, 2013
answer
7
What would have been our number system if humans had more than 10 fingers? Try to solve this puzzle.
Aug 6, 2013
answer
5
Simultaneous Equations year 9 please solve
Mar 19, 2013
Top network posts
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462
Skip first entry in for loop in python?
213
Accessing items in an collections.OrderedDict by index
169
How to convert a list to a dictionary with indexes as values?
102
cat, grep and cut - translated to python
72
Calling variable defined inside one function from another function

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