Can someone please explain to me the reason for,
y = In[In(sin x)]
does it exist?
and the answer cannot be
dy/dx = cot x / In (sin x) because it is apparently it is incorrect.
would the anwer be: dy/dx = In (sin x) / In (sin x)
but if it is, it does not make sense when using the formula of,
d/dx (In f(x)) = f ' (x) / f (x )
So, would the answer then be, -1 < sin x < 1
or is the answer, 0 < sin x < 1
and also with y = In[In(cos x)]
does not exist due to (In cos x) always being negative.
Thanks heaps if you get this, true champ!!!!!