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In this post I explain how, by playing with half-angle formulas and a generalization of the Newton–Mollweide formula, I arrived at a method I call USM for solving integrals with radicals and composite functions involving arcsecant/arccosecant. I show how this approach unifies several classical substitutions (complex exponentials, half-angle tangents, hyperbolic parametrizations, and Euler substitu
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Hey, I just generalized the 𝐥𝐚𝐰 𝐨𝐟 𝐜𝐨𝐭𝐚𝐧𝐠𝐞𝐧𝐭𝐬! Take a look at it on my blog: https://geometriadominicana.blogspot.com/2025/08/generalization-of-law-of-cotangents.html
#math #geometry #trigonometry #halfangleapproach #symmetrymatters
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It’s incredible that these two identities can explain so much.
Link: https://arxiv.org/abs/2505.03754
#math #calculus #euler #unification #generalization #integrals #integration
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The first and most complete unification of classical integration techniques ever! Say hello to USM.
Draft article: https://drive.google.com/file/d/12DayP6cD1VwDIZCL-nMlcaNH2XUwHfAy/view?usp=drivesdk
#math #calculus #halfangleapproach #symmetrymatters
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In this post I explain how, by playing with half-angle formulas and a generalization of the Newton–Mollweide formula, I arrived at a method I call USM for solving integrals with radicals and composite functions involving arcsecant/arccosecant. I show how this approach unifies se…
New applications of complex numbers in Geometry!
Link: https://geometriadominicana.blogspot.com/2026/09/complex-exponential-coordinates-for.html?m=1
It’s incredible that these two identities can explain so much.
Link: https://arxiv.org/abs/2505.03754
#math #calculus #euler #unification #generalization #integrals #integration
Weierstrass Substitution as a Special Case of the USM Framework:
https://geometriadominicana.blogspot.com/2025/12/weierstrass-as-special-case-of-usm.html
#math #calculus #Weierstrass #USM #framework #euler #unification #integral #integrati…
When a calculus student ends up solving this integral using partial fraction decomposition (PFD) or integration by parts (IBP), what they have actually done is successfully applied a classical algorithm. It’s like solving the Rubik’s cube …
Hey, I just generalized the 𝐥𝐚𝐰 𝐨𝐟 𝐜𝐨𝐭𝐚𝐧𝐠𝐞𝐧𝐭𝐬! Take a look at it on my blog: https://geometriadominicana.blogspot.com/2025/08/generalization-of-law-of-cotangents.html
#math #geometry #trigonometry #halfangleapproach #symmetrymatters
USM really does slash the rote burden, chiefly because one handful of exponential/hyperbolic identities replaces a patchwork of separate trig, inverse-trig, radical and Euler recipes.
Article (draft): https://arxiv.org/abs/2505.03754
#math…
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USM is a single, systematic framework that unifies trigonometric, hyperbolic, and complex-exponential substitutions into one coherent method. No more hunting through a dozen separate “recipes” for different radicals or inverse-trig integra…
The first and most complete unification of classical integration techniques ever! Say hello to USM.
Draft article: https://drive.google.com/file/d/12DayP6cD1VwDIZCL-nMlcaNH2XUwHfAy/view?usp=drivesdk
#math #calculus #halfangleapproach #sym…
The USM, the Dominican method 🇩🇴, has relegated Euler substitutions to mere historical relics. Modern integration has a new name.
Method draft: https://drive.google.com/file/d/12DayP6cD1VwDIZCL-nMlcaNH2XUwHfAy/view?usp=drivesdk
#math #calc…
The USM 𝐢𝐧𝐜𝐨𝐫𝐩𝐨𝐫𝐚𝐭𝐞𝐬, 𝐞𝐱𝐭𝐞𝐧𝐝𝐬, 𝐣𝐮𝐬𝐭𝐢𝐟𝐢𝐞𝐬, and 𝐬𝐮𝐫𝐩𝐚𝐬𝐬𝐞𝐬 Euler's substitutions. In Euler's substitutions, the choice of signs based on the domain must be made manually, whereas in the USM, the supporting theorems prescribe which sign to use…
The USM is superior to traditional methods!
Using the USM’s IV transformation formula, from the summary at the link below, you convert integrals of this type into polynomial-type integrals. The traditional method reduces it to the integral…
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