Use a Sum or Difference Identity to Find the Exact $\sin 15 ^ { \circ }$

question 195

Multiple Choice

Use a sum or difference identity to find the exact value.
- $\sin 15 ^ { \circ }$

• A) \(\frac { - \sqrt { 6 } + \sqrt { 2 } } { 4 }\)
• B) \(\frac { \sqrt { 6 } - \sqrt { 2 } } { 4 }\)
• C) \(\frac { \sqrt { 6 } + \sqrt { 2 } } { 4 }\)
• D) \(\frac { - \sqrt { 6 } - \sqrt { 2 } } { 4 }\)

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Definitions:

Charles Horton Cooley

An American sociologist known for developing the concept of the "looking-glass self," which explains how individuals form their self-image based on how they believe others perceive them.

Sociologist

A researcher specializing in the examination of human society's growth, framework, and operations.

Race

A social category, or social construction, that we treat as distinct on the basis of certain characteristics, some biological, that have been assigned social importance in the society.

Organization

An structured group of individuals with a specific purpose, such as a business, government body, or charity.