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.
(cos(4*x+5)+cos(4*x-5))'The calculation above is a derivative of the function f (x)
(cos(4*x+5))'+(cos(4*x-5))'
(cos(4*x-5))'-sin(4*x+5)*(4*x+5)'
(cos(4*x-5))'-sin(4*x+5)*((4*x)'+(5)')
(cos(4*x-5))'-sin(4*x+5)*(4*(x)'+(4)'*x+(5)')
(cos(4*x-5))'-sin(4*x+5)*(4*(x)'+0*x+(5)')
(cos(4*x-5))'-sin(4*x+5)*(0*x+4*1+(5)')
(0+4)*(-sin(4*x+5))+(cos(4*x-5))'
4*(-sin(4*x+5))+(cos(4*x-5))'
-4*sin(4*x+5)-sin(4*x-5)*(4*x-5)'
-4*sin(4*x+5)-sin(4*x-5)*((4*x)'+(-5)')
-4*sin(4*x+5)-sin(4*x-5)*(4*(x)'+(4)'*x+(-5)')
-4*sin(4*x+5)-sin(4*x-5)*(4*(x)'+0*x+(-5)')
-4*sin(4*x+5)-sin(4*x-5)*(0*x+4*1+(-5)')
(0+4)*(-sin(4*x-5))-4*sin(4*x+5)
4*(-sin(4*x-5))-4*sin(4*x+5)
-4*sin(4*x+5)-(4*sin(4*x-5))
| Derivative of (x^2)-1/(x^2)+1 | | Derivative of (e^5y)-ln((y^2)-1)-3x | | Derivative of (5b^5)^2-(6b^12+10b^10)-(2b^2)^5 | | Derivative of 1/sin(2x) | | Derivative of -10/x^2+10/(2-x)^2 | | Derivative of tan((x^3)-7) | | Derivative of tan(x^3-7) | | Derivative of 3x^3-12x^2+2x-8 | | Derivative of 18ln(x^3) | | Derivative of 25*e^(5*x) | | Derivative of 5*cos(5*x) | | Derivative of y^2*sin(x*y)+125*e^(5*x) | | Derivative of y*cos(x*y)+25*e^(5*x) | | Derivative of -2*y^5+sin(x*y)+5e^(5*x) | | Derivative of -2*x^5+sin(x*y)+5e^(5*y) | | Derivative of x*cos(x*y)-(16*e^(4*y)) | | Derivative of 3*y^2+sin(y*x)-4*e^(4*x) | | Derivative of e^(-0.1) | | Derivative of 5*cos(5x) | | Derivative of 5*cos(5y) | | Derivative of 2*e^(3*x) | | Derivative of 2*e^3*y | | Derivative of 2*e^(3*y) | | Derivative of 1/(2(sin(2x))) | | Derivative of 4cos(2x) | | Derivative of tan(5x+1) | | Derivative of -(x^3)/3 | | Derivative of y24000-200x | | Derivative of (-x^3)/3+x^2+x+1 | | Derivative of (8x+9)(1/x) | | Derivative of 8x+9(1/x) | | Derivative of 1/(sin(x)+4) |