Use Reference Angles to Find the Exact Value of the Expression

question 102

Multiple Choice

Use reference angles to find the exact value of the expression. Do not use a calculator.
- $\sin 855 ^ { \circ }$

• A) \(\frac { \sqrt { 2 } } { 2 }\)
• B) \(\frac { 1 } { 2 }\)
• C) \(- \frac { 1 } { 2 }\)
• D) \(- \frac { \sqrt { 2 } } { 2 }\)

Comprehend the arbitrage pricing theory (APT) and its application in finance.

Identify factors that influence asset returns and how they are measured and evaluated.

Apply the concept of the expected return to assess potential investment outcomes.

Appreciate the role of the risk premium in evaluating stocks and determining their expected return in relation to risk.

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Definitions:

Cognitive Development

The process of growth and change in intellectual capabilities such as thinking, reasoning, and problem-solving, across the lifespan.

Jean Piaget

A Swiss psychologist known for his pioneering work on child development and cognitive theory.

Konrad Lorenz

An Austrian zoologist, ethologist, and ornithologist known for his foundational work in the study of animal behavior, notably imprinting.

Accommodation

In psychology, the process of adjusting one's cognitive structures to fit new information; in optics, the adjustment of the eye's lens to focus on objects at various distances.