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(2*i*x))'The calculation above is a derivative of the function f (x)
-sin(2*i*x)*(2*i*x)'
-sin(2*i*x)*((2*i)'*x+2*i*(x)')
-sin(2*i*x)*(0*x+2*i*(x)')
-sin(2*i*x)*(0*x+2*i*1)
2*i*(-sin(2*i*x))
-2*i*sin(2*i*x)
| Derivative of 1.5^t*cos(t) | | Derivative of 18x-6 | | Derivative of -cos(t) | | Derivative of X^2*sin(1-2x) | | Derivative of (2/3)x^(3/2) | | Derivative of tan(x)/sin(x) | | Derivative of 6p^4 | | Derivative of 5*(cos(x/2))^2-(5*(sin(x/2))^2) | | Derivative of 10cos(x/2)sin(x/2) | | Derivative of -sin(t) | | Derivative of 10cos(t/2)sin(t/2) | | Derivative of cos(x)-5sin(x) | | Derivative of ln(13-x^2) | | Derivative of ln(13-t^2) | | Derivative of 4*cos(x/pi) | | Derivative of -57^100 | | Derivative of 1/(sin(x^2)) | | Derivative of 2(x-14) | | Derivative of e^x-1/x | | Derivative of 16(x^(1/2)) | | Derivative of a*cos(x-b) | | Derivative of 120x^1 | | Derivative of Sin(x)-sin(2x) | | Derivative of 1/10x | | Derivative of ln(8*e^2x) | | Derivative of -ln(3x-5)-1 | | Derivative of 5sin(6t) | | Derivative of -8sin(2t) | | Derivative of ln(sin(3x^2)) | | Derivative of (x^0.5)/(x-1) | | Derivative of 0.125(sin(4x)) | | Derivative of sin(x^2)/x^2 |