Mathematics
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bjcolby15
  • Member for 9 years, 8 months
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  • Boston, MA, United States
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About

Received Math BA in 1994. Found out that dividing by zero does not cause drowsiness. Specializes in trigonometry and a bit of calculus, depending on who's leading in the fifth inning.

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All Questions Answers
Score Newest
answer
11
Simplification of trig(arctrig()) expressions like $\sin(2\arcsin(x))$ or $\sec(\arctan(x))$?
Jul 3
answer
5
How to solve this step to get this
Mar 15, 2021
answer
5
What are some interesting and unusual theorems, identities, notations in Trigonometry?
Apr 3, 2021
question
4
Two trigonometric eliminations
Jan 18, 2014
answer
4
How to read $\frac{d^2y}{dx^2}$
Jan 18, 2021
answer
3
Calculating $z=(1+i)^8(1-i\sqrt{3})^{-6}$ by applying the trigonometric form of a complex number
Oct 13, 2020
answer
3
If $\sec\theta=-\frac{13}{12}$, then find $\cos{\frac{\theta}{2}}$, where $\frac\pi2<\theta<\pi$. The official answer differs from mine.
Feb 18, 2019
answer
3
Math sticker meanings
Oct 21, 2018
answer
3
Simplification of polar equation
Jul 2, 2017
answer
3
$y$ as coefficient for $5xy$ in the term $5y^2x$
Nov 25, 2019
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Possible math contest question
9
Is the "hint" approach creating a perverse incentive?
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How do I politely ask a superior not to make my PII public?
6
Interviewer Never Called?
6
Delivery of message to underperformers

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