Solve the Problem

question 337

Essay

Solve the problem.
- $$\text { The function } y = \cot x - \frac { 2 \sqrt { 3 } } { 3 } \csc x \text { has an absolute maximum value on the interval } 0 < x < \pi \text {. Find it. }$$

---

Definitions:

Market Return

The total return of a market index based on the collective performance of its constituents, typically over a specified time frame.

Portfolio Expected Return

Portfolio Expected Return is the weighted average of the expected returns on the assets included in a portfolio.

Portfolio Beta

A measure of the volatility, or systematic risk, of a portfolio in comparison to the market as a whole.

Index Model

A statistical model to represent the returns of a security or a portfolio as a function of the returns of the market as a whole, along with random error.