In the Problem, T Is a Real Number and P $\left( \frac { 4 } { 7 } , - \frac { \sqrt { 33 } } { 7 } \right) \quad$

question 366

Multiple Choice

In the problem, t is a real number and P = (x, y) is the point on the unit circle that corresponds to t. Find the exact value of
the indicated trigonometric function of t.
- $\left( \frac { 4 } { 7 } , - \frac { \sqrt { 33 } } { 7 } \right) \quad$ Find cos $t$

• A) \(\frac { \sqrt { 33 } } { 7 }\)
• B) \(- \frac { \sqrt { 33 } } { 7 }\)
• C) \(- \frac { 4 } { 7 }\)
• D) \(\frac { 4 } { 7 }\)

---

Definitions:

Profitability Index

A financial metric that calculates the relative profitability of an investment by dividing the present value of future cash flows by the initial investment cost.

Required Rate

The minimum return an investor expects to achieve by investing in a particular asset, often used in capital budgeting.

Profitability Index

A ratio that compares the present value of future cash flows generated by an investment to the investment's initial cost, indicating its relative profitability.

Required Rate Of Return

The minimum annual percentage return an investor expects to achieve from an investment.