Question

What is the derivative of the equation

ln(sec(7x) + tan(7x))?

Step 1

The given function is *ln* (sec(7*x*) + tan(7*x*)).

Let *f* (*x*) =* ln*(*u*) with *u* = sec(7*x*) + tan(7*x*).

Step 2

Differentiate *f* (*x*) with respect to *x* as follows.

Step 3

On further simpli...

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