Differentiating cos2x with Respect to x

[Angela16]

how to differentiate the following with respect to x

x:cos2x

thanks for ur help,

sorry that i couldn't write it in a fraction form

 

[Mark44]

how to differentiate the following with respect to x

x:cos2x

thanks for ur help,

sorry that i couldn't write it in a fraction form

Have you never seen / used when fractions are written?

If f(x) = x/cos(2x) there should be a differentiation rule that comes immediately to mind.

 

[Redbelly98]

Moderator's note: thread moved from Differential Equations.[/color]