Find-the-absolute-extrema-of-f-x-2-csc-x-cot-x-on-the-interval-pi-2-3pi-2-

Question Number 159146 by tounghoungko last updated on 13/Nov/21

F i n d t h e a b s o l u t e e x t r e m a o f

f (x) = 2 \csc x + \cot x o n t h e

i n t e r v a l (\frac{π}{2}, \frac{3 π}{2}]