Integral 1/1+cos^4+sin^4. We calculate an integral that involves trigonometry. More precisely we use tan and arctan and lots of trig substitutions. This is a must see for all the calculus students out there, enjoy!

YT channel:    / drpeyam  
TikTok channel:   / drpeyam  
Instagram:   / peyamstagram  
Teespring merch: https://teespring.com/stores/dr-peyam