Mathematics
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Xetrez's user avatar
Xetrez's user avatar
Xetrez
  • Member for 2 years, 11 months
  • Last seen this week
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10
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18
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6
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18
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5
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15
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12
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All Questions Answers
Score Newest
question
5
How many different 4-digit numbers can be made with the digits from 12333210?
Apr 3, 2021
question
3
Find $\frac{m}{n}$ given $\lim_{x\to 0}\frac{e^{\cos(x^n)}-e}{x^m}=-\frac{e}{2}$
Aug 27, 2022
question
2
Small angle approximation on cosine
Nov 29, 2020
question
2
$\cos^2(x)+\cos(x)\sqrt{\cos^2(x)+3}+\sin(x)\cos(x)+\sin(x)\sqrt{\cos^2(x)+3}=\frac98$
Jan 23, 2021
question
1
Finding the range of $f(x)=2\csc(2x)+\sec x+\csc x$
Oct 29, 2020
question
1
Trigonometric equation $1-\frac{1}{\sin(x)}-\frac {1}{\cos(x)}=0$
Nov 19, 2020
question
1
Check my work on permutations of letters
Nov 22, 2020
question
1
Checking my work on combinatorics
Nov 23, 2020
question
1
Why do we multiply by $-1$ here?
Mar 22, 2021
question
1
Finding the probability of getting underweight products
Mar 25, 2021

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