Quick Trick to Remember Values on The Unit Circle

Quick Trick to Remember Unit Circle Values for Trigonometry

In this video, I share a quick and easy method to memorize important values on the unit circle! This simple trick will help you remember the key points associated with angles like π/6, π/4, and π/3 and their corresponding (x,y) coordinates without the hassle of memorization. You’ll learn how to visualize and quickly find these values so you can ace your trigonometry problems with confidence.

What You Will Learn:

The unit circle basics for key angles: π/6, π/4, and π/3.

Quick and effective memory tricks for unit circle coordinates.

How to apply these tricks to solve trigonometry problems faster and more efficiently.

Understanding these values is essential in trigonometry, especially for sine, cosine, and tangent functions. Whether you’re prepping for a test or just want to improve your math skills, this trick will make the unit circle a breeze!

If you find this video helpful, make sure to subscribe, like, and share it with others who might benefit from this simple unit circle hack!

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[AegixDrakan]

This was brilliant.  I could never remember this.  Now it's so simple.

All over 2.  1 to 3 down, 1 to 3 up, square roots.  It's so simple and brilliant.

Thank you.

[Desert_guy]

Best 4 1/2 minutes I've wasted on YouTube. Finally learned something useful.

[anahastudies]

wow, this was posted 12 years ago. Imagine how many people this guy has saved

[gtcadaver]

You're a life saver. I'm entering an Engineering program after taking 2 years off from school. I had to take a placement test today and my goal was to test out of algebra, trig, pre-calc, and straight into calculus. Your videos greatly helped me accomplish this, which means I saved $1000's in class fees and at least a year of my time. Thanks so much!

[corinamcbride]

This really helped. Another way to remember the descending and then rising order (1, 2, 3) and ( 1, 2, 3).

So if you stood at (0, 1) or pi/2 you're about to jump down. Before you jump you scream 1, 2, 3! and then you jump (saying that you move down through the coordinates). Then once at the bottom think about climbing up the stairs back up to the top where you jumped. As you climb you count 1...2...3...

You can also check yourself by thinking that 3 & 1 are always paired, just swapped in some places.

Then at the end of the day all the numbers have to go home to their families under their roofs, hence the square root sign. 

[GothicSilverWolf]

Hey, I loved this video, and it reminded me of a trick my math teacher taught me last year...it doesn't help with the concept of why the radian values are what they are but they help in a pinch during a test. Basically, you look at your left hand and each finger corresponds with an angle, 0 being your pinkie and 90 being your thumb, and pi/6, pi/4, and pi/3 being the other three. Your palm is the number 2. Basically, when finding the sin of an angle, you take the square root of however many fing

[patrickjmt]

it is :

you're a loser, not: your a loser.

now i have taught you math and english

[FrostByte_AC]

You hear this a lot, but you deserve to daily. You are MORE qualified than a HIGHLY paid professor. Mine is complete, for lack of a better word, shit. You have been a great help to my studies and are one of the many reasons I will actually be able to follow my dreams. I thank you very much, sir.

[EezePuffy]

14 years later and this is still super helpful.

[Elwebon]

As I stated before, and I'm currently an ART MAJOR (I have a BFA) going for my masters on C.S. - and I'm required to take some of these math classes - you my friend - ARE THE MAN!! and you are coming along the ride to get my MFA!! Thank you so much for these videos!

[KiDarkness]

Omg, I think you just saved my ass for my Pre-Calc test tomorrow <3

[mahasinhamid]

Wow! Thanks! You explained it way better than my teacher did! I'm gonna ace that test tomorrow!

[jennajimmd]

i’m taking a precalc + trig class, 14 years after you posted this video. Still helpful. Thank you :)

[patrickjmt]

@tolongforyou sin x / cos x - if you know sine and cosine, a little division will give you the values for tangent.

[kiaya.rain.]

you are a literal genius!! you just saved my butt on my quiz tomorrow.

[andrewj]

Thanks a bunch man. All year through year 12 Maths Methods, trigonometry and more specifically, remembering exact values for non-calculator stuff, has always been my weakness. There was a hand trick I was taught but I can never remember, but this makes more sense. After watching this, and some of the other trig videos, I'm definitely more confident about my exam next week.

[lydiahegge]

Thank you! This video is the best because you start with a blank whiteboard and I can pause the video and practice/absorb at the same time!

[Patrick-kyez]

Da 2008 homie helping me with my math in 2021. Thanks bro!

[V.Z.]

I do exactly the same thing. Then Q1 to Q4, ASAP. For the π (PI) fractions I remember that each degree is separated by 15 degrees, skipping the closest to perpendiculars (e.g. 0, (skip 15), 30, 45, 60, (skip 75), 90). Also the circle is in 12 pieces. Skipping 15 degrees, next 30 degrees = 2π/12 = π/6, 3PI/12 = π/4, 4π/12 = π/3...

[XRoseThornX]

I just want to say this changed my life and just reduced so much stress. Like, honestly. It's a great thing that you just did. Thank you.