Find the Exact Value of Each Expression, If It Is $\tan ^ { - 1 } ( \sqrt { 3 } / 3 )$

question 126

Short Answer

Find the exact value of each expression, if it is defined. $\tan ^ { - 1 } ( \sqrt { 3 } / 3 )$

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Definitions:

Defined Contribution Plan

A retirement plan where both the employee and employer contribute to an account, with the final benefit dependent on account performance.

Risk-free Return

The theoretical return on an investment with no risk of financial loss, typically less than the return on riskier investments.

Defined Contribution Plan

A retirement plan where an employee, employer, or both make contributions on a regular basis, with future benefits fluctuating based on investment earnings.