Have been looking for this thanks mam

I feel like your lying , what did you just explain

well done ty

😘 Promo>SM

Thank you so very much

You should not use the word "complex" in that manner in a math context. Please say "complicated" instead.

wtf. I can barely answer this LMAO

Thanks a lot!! It is very helpful

Good video

Thank you so much!!!!😭

Besides trig proofs, I'd love to see proof that these "rules" actually get you a solvable answer, bc it just looks like more shuffling parentheses to me

You helped me a lot.

Thank you so much.you helped me a lot.

Well explained!

wait the dervitaive of Yis dy or Y' not1

Thank you much appreciated

Yes isr

thank you :)

thank you

I think she muted herself after 2:12 in the video. Did this happen to anyone else or is my computer just buggy because I watched through it twice and it did it two times.

I think there is a mistake on the first slide. F''(0) would equal -48 and giving you a relative max at 0, right?

i made it but it could not work

This video is super helpful! Thank you so much for uploading this.