How to integrate sin(x)*cos(x)? which is the correct answer???
To support my channel, you can visit the following links
T-shirt: https://teespring.com/derivatives-for...
Patreon: https://www.patreon.com/blackpenredpen
Thank you so much!
Check out my site & social media
www.blackpenredpen.com
https://twitter.com/blackpenredpen
https://www.instagram.com/blackpenred...
Thank you for watching!
Please subscribe and share my videos to help my channel grow!
blackpenredpen | 曹老師
▶️ DTube
▶️ YouTube