Use the Figure Below to Find the Exact Value of the Given

question 132

Multiple Choice

Use the figure below to find the exact value of the given trigonometric expression. $\cos \frac { \theta } { 2 }$

• A) \(\cos \frac { \theta } { 2 } = \frac { 7 \sqrt { 2 } } { 10 }\)
• B) \(\cos \frac { \theta } { 2 } = \frac { 7 \sqrt { 2 } } { 7 }\)
• C) \(\cos \frac { \theta } { 2 } = \frac { \sqrt { 2 } } { 10 }\)
• D) \(\cos \frac { \theta } { 2 } = 7\)
• E) \(\cos \frac { x } { 2 } = \frac { 7 \sqrt { 2 } } { 12 }\)

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A preference or inclination to undertake investment with uncertain outcomes, often with the potential for significant gains.

Utility

A measure of satisfaction, usefulness, or value that a consumer derives from consuming a good or service.

Decreasing Rate

A situation or condition in which the rate at which something occurs or is processed diminishes over time.

Expected Utility

A theory in economics that calculates the utility expected from different choices, aiming to predict an individual's preferences under uncertainty.