[arctan(1/2) + arctan(1/3)]
Hallo, it's dumplet here!
Here's an item on trigonometry!
Hope you guys learned something new from the video!
------------------------------------------------------------------------------------------------------------------------
Hello everybody, dumplet here!
This is a YouTube Channel for Elementary, High School and a bit of College Math! I post random math problems and tutorials to various topics seen from Elementary to College Mathematics, as well as common shortcuts, tricks and techniques in various National and International Mathematical Olympiads!
Contacts:
Facebook: [ Ссылка ]
Twitter: @samwangwang
Instagram: @wonsenyi
E-mail: samwang95@yahoo.com / kimchiproductions95@gmail.com
MUSIC:
––––––––––––––––––––––––––––––
Purpose by Jonny Easton
[ Ссылка ]...
Creative Commons Attribution license
Free Download / Stream: [ Ссылка ]
Music promoted by Audio Library [ Ссылка ]
––––––––––––––––––––––––––––––
