Currently taking Cal 1. I have an exam this Friday and still not strong solving the following problems from my book section. Can any one please show me the steps and the answer.

-Find the absolute extreme values of the function on the interval.

f(x) = tan x, -π/4 ≤ x ≤ π/6

Just in case you where wondering the following symbol is PI: π


-Determine the dimensions of the rectangle of largest area that can be inscribed in a semicircle of radius 3.


Thank you so much!