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Trigonometric Correlation Types1. Using triangular changes and trigonometric identities, such as $\sin^2 x + \cos^2 x=1$ and twice-fold formula, and differential product, accumulation and difference.For example: 4-1 of 1-(5), so that $1=\sin^2 x+

2. Proof: Set by the title, for any $x \in (A, A, b) $\[f (x) G ' (x)-F ' (x) g (x) = 0, \]So$$ \left (\frac{f (x)}{g (x)} \right) ' =\frac{F ' (x) g (x)-F (x) G ' (x)}{g^2 (x)}=0, $$Based on the differential mean value theorem inference$$ \frac{f

1. Solution: Function $y = (x-1) \cdot \sqrt[3]{x^2}$ within the defined domain $ (-\infty,+\infty) $, and\[F ' (x) = \frac53 x^{2/3}-\frac23 X^{-1/3}.\]Make $f ' (x) =0$ $x =\frac25$, and notice that when $x =0$, the function is not directed. The

Source Address: http://www.geek-workshop.com/thread-1695-1-1.htmlThis post is translated from the IMU (accelerometer and Gyroscope devices) guide used in embedded applications.This article mainly introduces the mathematical models and basic

This post is translated from the IMU (accelerometer and Gyroscope devices) guide used in embedded applications.This article mainly introduces the mathematical models and basic algorithms of accelerometers and gyroscopes, and how to fuse the two,

Common basic numpy operations and numpy operations The dimension of the NumPy array is called rank. The rank of the one-dimensional array is 1, the rank of the Two-dimensional array is 2, and so on. In NumPy, each linear array is called an axis, and

Python Method for drawing triangle outer and incircle, python outer circle I just watched the Sino-English showdown in "strongest brain". The most difficult project requires contestants to complement the tyerson polygon first, and then find two

1. Mathematical Analysis 1) basic definition: A vector consists of multiple components. A 2D or 3D vector represents a directed line segment. The following UX And Uy are two components. Vector u = . If Point P1 (x1, Y1) points to point P2 (X2, Y2),

This allows you to create a perfect backup tool for DVD movies. You can back up all the DVD content (including menus, movie trailers, and special features) on one or more discs ). Lossless copying of DVD movies; NTSC or pal dvd; only part of the

Lets you make perfect DVD movie backup tools to back up all of your DVD content (including menus, movie trailers, and special features) on one or more discs. Non-destructive copying of DVD movies; You can copy NTSC or PAL format DVDs; You can copy