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Phil Freedenberg

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Top Questions

Is the approximation $\cos\frac23x \approx \frac12(1 + \cos x)$, for $x$ a first-quadrant angle, well known?

trigonometry approximation asked Jul 27 at 21:08

math.stackexchange.com

Should black high temperature ABS flow in direct sunlight?

print-quality 3d-design print-material asked Jun 30, 2018 at 14:14

3dprinting.stackexchange.com

Top Answers

What is the "maximum power" of an antenna?

electronics.stackexchange.com

Does a water-filled trench protect against freezing?

diy.stackexchange.com

Translation of an inscription on a Kiddush cup

judaism.stackexchange.com

What to study after discrete bjt amplifiers?

electronics.stackexchange.com

Inductors short at DC or does it have a voltage drop?

electronics.stackexchange.com

What is this four connector-post, square electrical device mounted to my interior wall?

diy.stackexchange.com

Clearing TSA at JFK for international flight

travel.stackexchange.com

How can I restore power to a gas-fired water heater protected by a tripped GFCI outlet?

diy.stackexchange.com

Detection of signals buried in noise

electronics.stackexchange.com

How do I hang curtains on a cutout like this?

diy.stackexchange.com

How can I eliminate wobble in my surface-mounted deck railing posts?

diy.stackexchange.com

What is this slicing (?) tool?

cooking.stackexchange.com