Our latest course, Precalculus 3: Trigonometry, is now live on Udemy. It’s 52 hours of very exciting content about triangles and stuff. No, seriously, this is a big course, full of content, and with lots of solved problems. It will give you a very solid understanding of trigonometry, both its origins and applications.

You’re also given a crash course (6 hours) in Euclidean geometry, so don’t worry if you don’t remember this one from school. You’ll get it here.

You’ll find the outline to the course here. For coupons, check the menu item “Coupons” above, or use our referral code.

This is the deal: sometimes the referral code gives you the best price, depending on if Udemy has a promo going at that point in time. Other times our monthly code gives you a better price. That is the code you’ll find under “Coupons” in the menu, and that changes every month (as I write this, it’s TPOT_NOV22).

I hope we’ll see you there!

*Related*

Awesome! Gonna check it out. Do you have any course for geometry from the very basics to advanced?

Hi Rifat,

It depends on what you need geometry for:

If you need this for trigonometry, then we have it covered in this new-published course “Precalculus 3: Trigonometry” (a crash course in Euclidean geometry, 6 hours, but without practice, and just enough to be able to understand the geometrical part of the Trigonometry course).

We have two courses in geometry in our Master Plan:

1. Euclidean geometry (starting with the axioms, from the vary basics, to all about triangles, circles, etc; some geometry in the 3-space, too), with practice to each section.

2. Analytical geometry (based on the previous one, but now in the coordinate system, with all the computations and plenty of exercises).

These two are planned for later (2024? 2025?), when we are done with our Precalculus and Calculus 1+2 series, Complex numbers, and maybe also ODE and Discrete mathematics, so it will take a while…

We have also some analytical geometry (but just straight lines and planes in the 3-space) in the Linear Algebra and Geometry 1 course (see the last sections http://www.wehlou.com/hania/files/uu/Outline_Linear_Algebra_and_Geometry_1.pdf)

Could you, please, specify what kind of topics you mean when you write “advanced”? Like non-Euclidean geometry?

Kind regards,

Hania

Thanks! You got that right non-Euclidean geometric topics. I just checked out the outline of the Linear Algebra and Geometry course, did you mention any books for it? Cause I didn’t see any. If not, then which one should I follow along with it?

Hi Rifat,

Generally, all my courses are self-contained and you don’t need any books, because I deliver both theory and practice.

I have listed several good books in an educational announcement on Udemy. I copy here the text:

————-

Some of you asked me about good books on the topic. I guess that more of you can be interested in the subject, and this is why you get this message.

I found (today) an excellent book. It is here (intentionally free of charge):

https://math.emory.edu/~lchen41/teaching/2020_Fall/Nicholson-OpenLAWA-2019A.pdf

As I found it today, I obviously don’t follow it in my courses.

The book I often use is:

Howard Anton and Chris Rorres: “Elementary Linear Algebra with Supplemental Applications”, eleventh edition. It’s not perfect but happened to be the course book at the universities where I was teaching.

A pretty nice book is “Linear Algebra and Its Applications” by David C. Lay.

While preparing my courses for Udemy, I don’t just follow one or two books. I find materials from different sources, and I always try to choose the most intuitive approach and best suitable problems to illustrate the theory.

——-

What I did not mention in the announcement is the linear algebra book by Gilbert Strang. This one is also really good.

Kind regards,

Hania

Hello Hania, I wondered whether you thought of making courses concerning high school Algebra (Algebra I, Algebra II) – it’d be helpful for the SAT prep. I’d really appreciate any suggestions you might give me!

Hello Brett,

I don’t have any course in high school algebra, but there are pieces of a corresponding material spread over my existing courses… I guess that this is not the most practical solution, even though the courses are ridiculously cheap right now ($ 9.99 for a 42-52 hours long course during the Black Friday sale, which started today and will last at least one week, probably even ten days), but you can give it a try if you want to.

If you give me a list of the topics covered in Algebra 1 and Algebra 2, I can make a list showing in which courses you find the material.

You will definitely find some useful stuff in:

Free course: Completing the square:

https://www.udemy.com/course/completing-the-square/?referralCode=78B4B7F6C5DD937526D3

Free course: Proofs by induction:

https://www.udemy.com/course/proofs-by-induction/?referralCode=5C8B2F9F4F55B813E725

Precalculus 1: Basic notions:

https://www.udemy.com/course/precalculus-1/?referralCode=BC31ADC3513CB5671594

Precalculus 2: Polynomials and rational functions:

https://www.udemy.com/course/precalculus-2/?referralCode=69E9C040646BEBF347D3

Precalculus 3: Trigonometry:

https://www.udemy.com/course/precalculus-3/?referralCode=CF2BADBA886145FAF304

Linear Algebra and Geometry 1:

https://www.udemy.com/course/linear-algebra-and-geometry-1/?referralCode=B75248FB2F3584AB89B4

Calculus 3 part 1 (just the part about conic sections):

https://www.udemy.com/course/calculus-3-multivariable-calculus-part-1-of-2/?referralCode=DB4AA455838164AEFCF3

(planned for the Winter 2022/23: Precalculus 4: Exponentials and logarithms).

All the courses have very detailed lists of contents, where you can find exactly what you need, and which will help you omit unnecessary details (not needed at a high-school level). You will find these lists on the pages for the courses (here, on this site).

I hope that this helps.

Kind regards,

Hania