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[@mathandcobb](/creator/tiktok/mathandcobb)
"How to sketch a hyperbolic paraboloid ( replying to @Coding_hippie ) #math #mathtok #graph #function #multivariablecalculus #graphsketching #stem #saddlepoint"  
[TikTok Link](https://www.tiktok.com/@mathandcobb/video/7532838588615118111) [@mathandcobb](/creator/tiktok/mathandcobb) 2025-07-30T11:41Z 218.9K followers, 179.3K engagements


"The commutator subgroup is a normal subgroup (and a very important subgroup) #math #mathtok #grouptheory #commutatorsubgroup #proof"  
[TikTok Link](https://www.tiktok.com/@mathandcobb/video/7549541628676001054) [@mathandcobb](/creator/tiktok/mathandcobb) 2025-09-13T11:58Z 218.9K followers, 3298 engagements


"Replying to @mohamadas01 here is an explanation using the complex exponential and logarithm #math #mathtok #exponential #logarithm #complexanalysis"  
[TikTok Link](https://www.tiktok.com/@mathandcobb/video/7237132956588936490) [@mathandcobb](/creator/tiktok/mathandcobb) 2023-05-25T14:52Z 218.9K followers, 41.5K engagements


"This is the first video in a series on videos about cryptographic methods #math #mathtok #cryptography #encryption #caesarcipher #shiftcipher"  
[TikTok Link](https://www.tiktok.com/@mathandcobb/video/7278270983163710762) [@mathandcobb](/creator/tiktok/mathandcobb) 2023-09-13T11:29Z 218.9K followers, 130.5K engagements


"Replying to @mic.donald here is a quick introduction to why we love LaTeX so much #math #mathtok #research #latex #papers #articles #publishing"  
[TikTok Link](https://www.tiktok.com/@mathandcobb/video/7312431088641592622) [@mathandcobb](/creator/tiktok/mathandcobb) 2023-12-14T12:47Z 218.9K followers, 350.2K engagements


"It's not a stupid question Thanks to @Quantanaut for the idea to use this sound #math #mathtok #integral #riemannintegral #lebesgueintegral #Inverted"  
[TikTok Link](https://www.tiktok.com/@mathandcobb/video/7368454178760428843) [@mathandcobb](/creator/tiktok/mathandcobb) 2024-05-13T12:05Z 218.9K followers, 83.7K engagements


"What is the integral of e(x2) with respect to x #math #mathtok #integral #integration #stem #calculus"  
[TikTok Link](https://www.tiktok.com/@mathandcobb/video/7534012983542828319) [@mathandcobb](/creator/tiktok/mathandcobb) 2025-08-02T15:38Z 218.9K followers, 45.7K engagements


"The Riemann Hypothesis #math #mathtok #numbertheory #riemannhypothesis #riemann #primenumbers #conjecture"  
[TikTok Link](https://www.tiktok.com/@mathandcobb/video/7247908377773395246) [@mathandcobb](/creator/tiktok/mathandcobb) 2023-06-23T15:46Z 218.9K followers, 836.4K engagements


"The number XX has become famous as of late so let's see some number theoretic properties of this number #math #mathtok #stem #34 #numbertheory"  
[TikTok Link](https://www.tiktok.com/@mathandcobb/video/7375871373408767275) [@mathandcobb](/creator/tiktok/mathandcobb) 2024-06-02T11:48Z 218.9K followers, 80.3K engagements


"Prime numbers are amazing but we know so little about them 😭 #math #mathtok #primenumbers #numbertheory #stem"  
[TikTok Link](https://www.tiktok.com/@mathandcobb/video/7558151356679195934) [@mathandcobb](/creator/tiktok/mathandcobb) 2025-10-06T16:47Z 218.9K followers, 5656 engagements


"Calculus is hard. Integrals are HARD. And not just because of the algebra. In fact most of the time even getting started with an integral is really hard because most tricks will not work and one has to be quite creative in finding a method that works. Similarly in the US at least prerequisites are mandatory and for a good reason Of course some students can be granted a waiver for a particular prereq but most students need to that them. (With @ThatBlackChemist ) #math #calculus #integral #mathmajor"  
[TikTok Link](https://www.tiktok.com/@mathandcobb/video/7561800161580551455) [@mathandcobb](/creator/tiktok/mathandcobb) 2025-10-16T12:46Z 218.9K followers, 17.1K engagements


"Replying to @moklking here is a proof by request of the fact that there exist infinitely many primes of the form 4n+3. This does not mean that every number of that form is prime just that there are infinitely many primes of that form #math #mathtok #primenumbers #euclid"  
[TikTok Link](https://www.tiktok.com/@mathandcobb/video/7210788237323832618) [@mathandcobb](/creator/tiktok/mathandcobb) 2023-03-15T15:01Z 214.1K followers, 4375 engagements


"Replying to @luke.atlas here is a suggested list of books to read if you want to learn algebra from the start The first three books that I recommend are freely available online including mine#math #mathtok #abstractalgebra #referencelist #numbertheory"  
[TikTok Link](https://www.tiktok.com/@mathandcobb/video/7222624509973581098) [@mathandcobb](/creator/tiktok/mathandcobb) 2023-04-16T12:32Z 218.5K followers, 24.3K engagements


"Replying to @drhorne101 epsilon is definitely the bad guy #math #mathtok #calculus #realanalysis #epsilon"  
[TikTok Link](https://www.tiktok.com/@mathandcobb/video/7232642826327313710) [@mathandcobb](/creator/tiktok/mathandcobb) 2023-05-13T12:28Z 217.7K followers, 8652 engagements


"Replying to @ryanalgebra9 let's see if we can come up with parabolic trigonometric functions #math #mathtok #trigonometry #hyperbolic #parabola #parabolic"  
[TikTok Link](https://www.tiktok.com/@mathandcobb/video/7325041992201719083) [@mathandcobb](/creator/tiktok/mathandcobb) 2024-01-17T12:24Z 218.6K followers, 32.7K engagements


"Replying to @axisdelasal sure here is a quick proof #math #mathtok #proof"  
[TikTok Link](https://www.tiktok.com/@mathandcobb/video/7411491772389428522) [@mathandcobb](/creator/tiktok/mathandcobb) 2024-09-06T11:33Z 218.5K followers, 81.6K engagements


"Gdel's "proof" of the existence of a God-like figure #math #mathrok #god #religion #godel #logic #axiom #stem"  
[TikTok Link](https://www.tiktok.com/@mathandcobb/video/7462337862814436639) [@mathandcobb](/creator/tiktok/mathandcobb) 2025-01-21T12:03Z 218.8K followers, 59.3K engagements


"My annual Collate rant (with @MyLifeIsAnRPG ) #math #mathtok #collatzconjecture #conjecture #numbertheory #stem"  
[TikTok Link](https://www.tiktok.com/@mathandcobb/video/7466806564112846111) [@mathandcobb](/creator/tiktok/mathandcobb) 2025-02-02T13:04Z 218.6K followers, 27.4K engagements


"What is. a number #math #mathtok #number #numbertheory #complexnumbers #stem #polynomials"  
[TikTok Link](https://www.tiktok.com/@mathandcobb/video/7468290889786477854) [@mathandcobb](/creator/tiktok/mathandcobb) 2025-02-06T13:04Z 218.6K followers, 590.8K engagements


"A sphere is a special type of ball So ball is indeed correct #math #mathtok #metric #metricspace #distance #ball #sphere #stem"  
[TikTok Link](https://www.tiktok.com/@mathandcobb/video/7471237448169688351) [@mathandcobb](/creator/tiktok/mathandcobb) 2025-02-14T11:38Z 218.7K followers, 45K engagements


"How to graph a polynomial (without derivatives) at an elementary/middle school/high school level #math #mathtok #function #polynomial #graph #stem"  
[TikTok Link](https://www.tiktok.com/@mathandcobb/video/7482001085784247582) [@mathandcobb](/creator/tiktok/mathandcobb) 2025-03-15T11:47Z 218.6K followers, 61.1K engagements


"Replying to @datochikhl hatred No that's too strong of a word I just want to set the record straight because I really don't think most people know what kind of a "pleasant" character he was #math #mathtok #newton #sirisaacnewton #mint #mathhistory #stem"  
[TikTok Link](https://www.tiktok.com/@mathandcobb/video/7522822719503682846) [@mathandcobb](/creator/tiktok/mathandcobb) 2025-07-03T11:55Z 218.7K followers, 27.9K engagements


"A proof of Euler's identity and Euler's formula #math #mathtok #euler #eulersidentity #eulersformula #proof #stem #greenscreen"  
[TikTok Link](https://www.tiktok.com/@mathandcobb/video/7523936293185670430) [@mathandcobb](/creator/tiktok/mathandcobb) 2025-07-06T11:56Z 218.5K followers, 74K engagements


"Stitch with @Dr. PK Math about an integral differential equation #math #mathtok #differentialequations #diffeq #integral #exponential #stem"  
[TikTok Link](https://www.tiktok.com/@mathandcobb/video/7529503992028679455) [@mathandcobb](/creator/tiktok/mathandcobb) 2025-07-21T12:01Z 218.6K followers, 42.3K engagements


"For the love of God stop posting and sharing "ONLY FOR GENIUS" PEMDAS problems because it's so damaging for no reason #math #mathtok #pemdas #orderofoperations #teaching #education #stemeducation #stem #socialmedia"  
[TikTok Link](https://www.tiktok.com/@mathandcobb/video/7535439710605380894) [@mathandcobb](/creator/tiktok/mathandcobb) 2025-08-06T11:54Z 218.5K followers, 43.3K engagements


"Improbability does not imply impossibility #math #mathtok #probability #impossible #god (stitch with @Will )"  
[TikTok Link](https://www.tiktok.com/@mathandcobb/video/7546950281230126366) [@mathandcobb](/creator/tiktok/mathandcobb) 2025-09-06T12:22Z 218.6K followers, 95.2K engagements


"🚨 Cool Math Date Alert 🚨 9/16/25 is the unique date in the **entire century** with this property Enjoy it 😄 #math #mathtok #pythagoras #pythagoreantriples #numbertheory"  
[TikTok Link](https://www.tiktok.com/@mathandcobb/video/7549916796418051359) [@mathandcobb](/creator/tiktok/mathandcobb) 2025-09-14T12:14Z 218.8K followers, 5569 engagements


"Replying to @blablrehiyx this is how you get started with latex #math #mathtok #mathwriting #writinginmath #latex #papers #howtolatex"  
[TikTok Link](https://www.tiktok.com/@mathandcobb/video/7312803464378354990) [@mathandcobb](/creator/tiktok/mathandcobb) 2023-12-15T12:52Z 218.9K followers, 19.1K engagements


"If you solved this problem you would be famous 😁 How many of these problems about prime numbers can you solve #math #mathtok #primenumbers #mathchallenge #openproblem"  
[TikTok Link](https://www.tiktok.com/@mathandcobb/video/7557340074740813087) [@mathandcobb](/creator/tiktok/mathandcobb) 2025-10-04T12:19Z 218.9K followers, 4620 engagements


"Sophie Germain primes and Cunningham chains 🤩 #math #mathtok #primenumbers #numbertheory #stem"  
[TikTok Link](https://www.tiktok.com/@mathandcobb/video/7557708476089191711) [@mathandcobb](/creator/tiktok/mathandcobb) 2025-10-05T12:09Z 218.9K followers, 5714 engagements


"Here are my recommendations for some of the best math books for each of the main classes in a math major from learning how to do proofs calculus linear algebra differential equations analysis differential geometry number theory and algebra #tiktokbookrecscontest #math #books #mathbooks #mathmajor"  
[TikTok Link](https://www.tiktok.com/@mathandcobb/video/7562177092641770782) [@mathandcobb](/creator/tiktok/mathandcobb) 2025-10-17T13:09Z 218.9K followers, 38.6K engagements


"The first thing you do when working with log #math #logarithm #igottaputmefirst"  
[TikTok Link](https://www.tiktok.com/@mathandcobb/video/7059898305538444590) [@mathandcobb](/creator/tiktok/mathandcobb) 2022-02-02T00:11Z 218.9K followers, 945.8K engagements


"#stitch with @mathandcobb the story about Fermat's conjecture about Fermat numbers #math #mathtok #fermat #euler #primenumbers"  
[TikTok Link](https://www.tiktok.com/@mathandcobb/video/7166235924022693166) [@mathandcobb](/creator/tiktok/mathandcobb) 2022-11-15T13:35Z 218.9K followers, 5969 engagements


"This is a really cool geometric probability problem Try to solve it before I do at the end of the video #math #mathtok #geometry #probability #stem"  
[TikTok Link](https://www.tiktok.com/@mathandcobb/video/7547684054372584735) [@mathandcobb](/creator/tiktok/mathandcobb) 2025-09-08T11:49Z 218.9K followers, 19.5K engagements


"For what values of alpha are sin and cos of alpha rational numbers #math #mathtok #trigonometry #challengeproblem #rational"  
[TikTok Link](https://www.tiktok.com/@mathandcobb/video/7551021838650920222) [@mathandcobb](/creator/tiktok/mathandcobb) 2025-09-17T11:41Z 218.9K followers, 10.4K engagements


"#ad In this video I review @underleaf.ai an image-to-latex converter. I think it can save a lot of time in the typesetting of tables large equations matrices etc and I think it does a pretty good job Please give it a try and let me know what you think they are looking for feedback and feature requests. If you decide to pay for a subscription you can use the code MATHANDCOBB for a XX% off #math #mathtok #latex #ai #mathequations"  
[TikTok Link](https://www.tiktok.com/@mathandcobb/video/7556266014887972126) [@mathandcobb](/creator/tiktok/mathandcobb) 2025-10-01T14:51Z 218.9K followers, 20.8K engagements


""Don't bring Euler into this" #math #mathtok #euler #numbertheory #analysis"  
[TikTok Link](https://www.tiktok.com/@mathandcobb/video/7560676413527854366) [@mathandcobb](/creator/tiktok/mathandcobb) 2025-10-13T12:06Z 218.9K followers, 8476 engagements


"If you are a mathematician and even remotely interested in baseball then you must be a @Colorado Rockies fan Their logo represents what we call a field extension and one of the most important extension in math the complex numbers over the real numbers This extension is in fact the topic of what we call the fundamental theorem of algebra. #math #realnumbers #complexnumbers #baseball #coloradorockies"  
[TikTok Link](https://www.tiktok.com/@mathandcobb/video/7563286696385662239) [@mathandcobb](/creator/tiktok/mathandcobb) 2025-10-20T12:55Z 218.9K followers, 3095 engagements