Homework Statement
See attached file.
Homework Equations
The Attempt at a Solution
I've only been able to do part (a) of this question.
I ended up with:
tanz= i ({\frac{1-e^{(2iz)}}{1+e^{(2iz)}}})
I'm not sure how to approach the next two parts. If anyone could give me any...
Thanks for the help everyone! I think I understand the question better now.
So taking another go (can someone check whether this would be correct this time?):
(a) For
\lim_{x\rightarrow 0} {x^{(\alpha-1)} cos(1/x^2)}=g'(0) = 0
to always hold, the following must be satisfied...