Video on how to find Derivative of 7x^5 - x^4 + 4x^3/2 + 8/sqrt(x) - 4sec(x)

Derivative of 3x^2 + 2/x + 7 - 4tan x + 5sec(x)

Previous Video 5: 

Derivative of 3x^2 + 2/x + 7 - 4tan x + 5sec(x)

Derivative of 5x^2 - 7x - 2/sqrt(x) - 2

Next Video 7: 

Derivative of 5x^2 - 7x - 2/sqrt(x) - 2