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Mathematics
Frightened of Sinusoids's user avatar
Frightened of Sinusoids's user avatar
Frightened of Sinusoids's user avatar
Frightened of Sinusoids
  • Member for 2 years, 5 months
  • Last seen more than 1 year ago
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question
4
Prove that if a small circle is 'inside' a larger circle but makes contact with at least one point, then the two circles only have one point in common
Mar 20, 2022
question
3
Converse of group homomorphism's preservation of subgroups
Jul 27, 2023
question
2
Quadratic equation: understanding how the absolute values in the derivation correspond to the $\pm$ symbol in the classic quadratic formula expression
Apr 12, 2022
question
1
How to explicitly derive the solution to the system of equations: $\cos(\omega_1t)-\cos(\omega_2t)=0$ and $\sin(\omega_1t)-\sin(\omega_2t)=0$
Nov 11, 2022
question
1
How does Wolfram Alpha compute the indefinite integral $\int \frac{1}{\sqrt{2x-x^2}}dx$
Jun 6, 2023
question
0
How to show that the set of points satisfying an arbitrary circle in a 2D Euclidean plane $(\mathbb R \times \mathbb R)$ is infinite?
Mar 19, 2022
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0
Prove that for any circle in R^2, if two ordered pairs on the circle are separated by 180 degrees, then the connecting line passes through the center
Mar 21, 2022
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0
How to take derivative of a function $F \circ G$ when $F: \mathbb R \times \mathbb R \to \mathbb R$ and $G: \mathbb R \to \mathbb R \times \mathbb R$
Mar 23, 2022
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0
Determine at which values of $\theta$ the function $f(\theta)=\cos(\theta)\cos(\theta_1)+\sin(\theta)\sin(\theta_1)$ equals $1$
Mar 24, 2022
question
0
Does applying repeated inverse discrete Fourier transforms to a spectrogram produce a meaningful result?
Feb 8, 2023