i secan't do this anymore

I was struggling memorizing this, but thanks to you sir it's far way easier to memorize and understand, you're one of the best! THANK YOU

the whistles when you were drawing the 7s were the best part!

For the cofunction IDs, just remember to go across and they all line up perfectly!

You can remember the cofunction identities by looking horizontally across from left to right and right to left. The Even/Odd identities can be remembered by using the forward slash ("/") symbol to note that Cos & Sec are the only two positives. 😉

Holy SHIP!! I HAVE AM EXAM TODAY AND THIS WILL HELP ME OUT SO MUCH

you don't know how much you've helped with this. Thank you!!!!

By far the most helpful way I have seen Thank you!

I really appreciate your help. Thank you so much!

Thank you so much this honestly has helped me so much

You are a life saver sir

FINALLY! The correlations are clear!!! Thank you :)

If yall can't remember this then the future of trig is grim 💀

It is very helpful for me 🤠😁😊😊😊.🇮🇳🇮🇳 From India 🇮🇳🔥🔥🚩

Very useful indeed, thank you very much

This is the best video ❤❤❤

Thank you so much.

Thank you, I love you.

Thank you! ❤

Excellent thanks 👍 very much sir

Wow..thank you for this

oh man love your way! from Pakistan.

To us who are here 1day before exam😢😂😂

very usefull

THANK YOU SO MUCH

Why don't they teach this in America?

YOU CAN USE THIS WITH DERIVATIVES! Though its a bit difficult to see, there are some noticeable patterns. Once i noticed these, I haven’t had trouble with these derivatives at all! You’re not gonna understand without writing it out. Its a bit complicated at first glance, but simple when you understand it. I just drew the hexagon (without the edges, only the lines in between. It looks like a x with a horizontal line) 1. Search up the trig derivative online. Write them down across a page. 2.Then under each function, draw the hexagon thing 3. trace a line from the trig to derivative using a different color pen. Do you notice the patterns? Take a moment to study it for yourself. Anyway, hopefully you understand this: I found these patterns: Obtuse angles create fractional derivatives, Accute angles create singular or multiplication derivatives Following the inner lines left into the center and out, will give negative derivatives. Following the inner lines right into the center and out, will give positive derivatives. Csc and sec repeat themselves in their derivatives. The derivative angles on the left are opposite of those on the right. Ex: following the inner lines, draw a line from tan to it’s derivative 1/cosx. The line went right in a obtuse angle, so it’s solution is a positive fractional derivative. Ex2: following the inner lines, draw a line from cot to it’s derivative -1/sinx The line went left in a obtuse angle, so it’s solution is a negative fractional derivative. The angle is opposite to tangent. Ex3: following the inner lines, draw a line from sin to it’s derivative: cosx. The line went right in a acute angle so the solution is a positive singular or multiplication derivative. Ex4: following the inner lines, draw a line from cosx to its derivative -sinx The line went left in a acute angle, so the solution is a singular or multiplication derivative. The angle is opposite to sinx. Ex5: draw a line from secx to to tanx (not the derivative) The line goes right first, and is a acute angle, so the derivative is positive multiplication. Since it is sec, it’s repeated. So, the derivative is Secxtanx. Ex6: draw a line from csc to cot (not it’s derivative) The line goes left first so the derivative is negative multiplication. Since its csc, it is is repeated. So the derivative is cscxcotx. Haha, I did not explain that very well, so I encourage you to try figuring this out yourself! The pattern could probably be simplified a bit. For instance, it’s better to say the top accute angles are singular while the bottom accute angles multiply something by themselves. But whatevs! I wish you the best of luck!

great

This is a game changer

Great work..🙏

Long live 🇹🇼.

Taiwanese here 🙋

in india we learned this in 5th grade

To us who are here 1day before exam😢😂😂