Proof of the derivative of cosx: A Step-by-Step Proof and Explanation
![](https://i.ytimg.com/vi/UGWvcPDB8N0/mqdefault.jpg)
6:09
Proof of the derivative of tanx: A Step-by-Step Proof and Explanation
![](https://i.ytimg.com/vi/IuClHA9VjDY/mqdefault.jpg)
19:53
Derivatives of ALL trig functions (proofs!)
![](https://i.ytimg.com/vi/_EmzkyT6ev8/mqdefault.jpg)
4:14
Proof of the derivative of lnx: A Step-by-Step Proof and Explanation
![](https://i.ytimg.com/vi/mzT3GowiNuk/mqdefault.jpg)
6:06
Proof of the derivative of sinx: A Step-by-Step Proof and Explanation
![](https://i.ytimg.com/vi/vHAnA1wXzkQ/mqdefault.jpg)
5:18
Proof of the derivative of cscx: A Step-by-Step Proof and Explanation
![](https://i.ytimg.com/vi/YW9Vy5NmtBo/mqdefault.jpg)
3:51
Proof of the derivative of e^x: A Step-by-Step Proof and Explanation
![](https://i.ytimg.com/vi/A5w-dEgIU1M/mqdefault.jpg)
31:22
The Trillion Dollar Equation
![](https://i.ytimg.com/vi/2dwQUUDt5Is/mqdefault.jpg)
25:27