Below you can find the full step by step solution for you problem. We hope it will be very helpful for you and it will help you to understand the solving process.
(4*cos(x))'The calculation above is a derivative of the function f (x)
(4)'*cos(x)+4*(cos(x))'
0*cos(x)+4*(cos(x))'
0*cos(x)+4*(-sin(x))
-4*sin(x)
| Derivative of e^-14x | | Derivative of -sin(2x) | | Derivative of x^2-3x-m+1 | | Derivative of x^(3sin(x)) | | Derivative of x^3sin(x) | | Derivative of e^(-x^2)/(2) | | Derivative of e^-x^2/2 | | Derivative of x^2sin(3x)-cos(5x) | | Derivative of cos(x^2+1) | | Derivative of 4y^2 | | Derivative of 12000ln(0.01x+1) | | Derivative of ln(729) | | Derivative of e^(-0.16x) | | Derivative of (2e^(3x))+(e^-x) | | Derivative of 9sin(2x)*cos(2y) | | Derivative of 9sin(2x) | | Derivative of 3ln(2x^3) | | Derivative of 4^2x | | Derivative of ln(5x+3) | | Derivative of (x^2)(ln(7x)) | | Derivative of ln(-2x^5+x^4+2x^2) | | Derivative of 3x^-8 | | Derivative of e^(3ln(x)) | | Derivative of x^2+3y^2-28 | | Derivative of e^(-8x) | | Derivative of 2(x+5) | | Derivative of 3a+3b | | Derivative of (x+1)(3x-5)+(x+1)(2x+4) | | Derivative of x^3-3x^2+6x | | Derivative of 6cos(2x)+e^-2x | | Derivative of tan(x)^(4x) | | Derivative of X^2/30 |