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 17 extracting rotation, scale values from 2d transformation matrix 17 Get the equation of a circle when given 3 points 10 Finding inverse cosh 7 Notation of the second derivative - Where does the d go? 6 Find equation for a function of form: $f(x) = Ae^{kx} \cos(Bx+C)+D.$?

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 +25 Looking for a or the term for a vector who is parallel to an axis +10 Center of Arc with Two Points, Radius, and Normal in 3D +25 How to get the coordinates of the center of the ellipse after approximation +10 How to solve $a = \cos x - b\sin x$ where $a$ and $b$ are real numbers?

Questions (12)

 21 Approximation for $\pi$ 14 How did the square root get its shape? 12 For which angles we know the $\sin$ value algebraically (exact)? 8 Taylor series of a polynomial 3 How to I show that $\lim_{x\to0} \frac{1}{x^2}\left(\frac{\sinh x}{x}-1\right) = \frac{1}{6}$

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 59 geometry × 70 32 calculus × 44 54 linear-algebra × 59 22 derivatives × 16 41 trigonometry × 30 17 transformation 36 matrices × 19 16 physics × 12 36 analytic-geometry × 17 14 vectors × 16

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