🆕 MindYourDecisions: Puzzle - If AAA + BBB + CCC = BAAC, What Are A, B, C = ?
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Puzzle From A Math Teacher - If AAA + BBB + CCC = BAAC, What Are A, B, C = ?
Luuk stumped his math teacher with one of my puzzles. Then his math teacher gave him a problem that Luuk suggested to me. If AAA + BBB + CCC = BAAC, what is the value of each digit? The digits are distinct and whole numbers from 1 to 9. Watch the video for…
🆕 blackpenredpen: proof of angle sum formulas for sine and cosine
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Angle sum identities for sine and cosine
use complex numbers: https://www.youtube.com/watch?v=OcXqF8l2crI
proof of angle sum formulas for sine and cosine,
sin(a+b)=sin(a)cos(b)+cos(a)sin(b),
cos(a+b)=cos(a)cos(b)-sin(a)sin(b),
triangle proof,
angle addition identity of sine,
angle addition…
proof of angle sum formulas for sine and cosine,
sin(a+b)=sin(a)cos(b)+cos(a)sin(b),
cos(a+b)=cos(a)cos(b)-sin(a)sin(b),
triangle proof,
angle addition identity of sine,
angle addition…
🆕 Dr. Peyam's Show: Volume of a ball in n dimensions
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Volume of a ball in n dimensions
In this video I explicitly calculate the volume of a ball of radius r in R^n. The method I’m presenting uses only multivariable calculus and the disk method from single-variable calculus, but we’ll also visit some other goodies like the Beta function and…
🆕 standupmaths: The Actual Mathematics of Popping Champagne Corks
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The Actual Mathematics of Popping Champagne Corks
Thanks to Helen Czerski for making the video with me!
https://www.helenczerski.net/
Helen is physicist, oceanographer and broadcaster in the Department of Mechanical Engineering at University College London.
You should check out her book Storm in a Teacup.…
https://www.helenczerski.net/
Helen is physicist, oceanographer and broadcaster in the Department of Mechanical Engineering at University College London.
You should check out her book Storm in a Teacup.…
GJM - Graduate Jokes in Mathematics (Facebook)
Dedicated to Willian "the analyst" Cintra
Source: https://www.facebook.com/AstrophysicsMemes/posts/2038865152993244
Dedicated to Willian "the analyst" Cintra
Source: https://www.facebook.com/AstrophysicsMemes/posts/2038865152993244
