Mathematics
Phil Freedenberg's user avatar
Phil Freedenberg's user avatar
Phil Freedenberg's user avatar
Phil Freedenberg
  • Member for 5 years, 1 month
  • Last seen this week
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395
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811
reached
7
answers
3
questions
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4
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2
Posts
20
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3
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1
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10
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5
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50
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4
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40
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10
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Top posts
All Questions Answers
Score Newest
question
19
Is the approximation $\cos\frac23x \approx \frac12(1 + \cos x)$, for $x$ a first-quadrant angle, well known?
Jul 27
answer
4
$\tan x=\frac{x}{\cos^2 x}$
Aug 9, 2022
answer
3
prove limit of ratio of log of power series to x is 1
Mar 9, 2021
question
1
Looking for an algorithm for constructing sets A and B
Aug 21, 2018
question
1
Game of Trieze as described in "The People of the Book," by Geraldine Brooks
Aug 11, 2019
answer
0
Game of Trieze as described in "The People of the Book," by Geraldine Brooks
Aug 14, 2019
answer
0
Game of Trieze as described in "The People of the Book," by Geraldine Brooks
Aug 15, 2019
answer
0
Game of Trieze as described in "The People of the Book," by Geraldine Brooks
Aug 20, 2019
answer
0
Prove $\int^{\infty}_{0} \sin^2(\pi(x+\frac{1}{x}))dx$ diverges
Jul 30, 2021
answer
0
Interpreting derivative vs change via ratio subtraction
Aug 27, 2021
Top network posts
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9
What is the "maximum power" of an antenna?
9
Does a water-filled trench protect against freezing?
7
What to study after discrete bjt amplifiers?
6
Inductors short at DC or does it have a voltage drop?
6
Clearing TSA at JFK for international flight

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