Find the Exact Value of the Given Expression $\sin \left( \frac { \pi } { 3 } - \frac { \pi } { 4 } \right)$

question 178

Multiple Choice

Find the exact value of the given expression. $\sin \left( \frac { \pi } { 3 } - \frac { \pi } { 4 } \right)$

• A) \(\frac { ( - \sqrt { 3 } + 1 ) ( 2 \sqrt { 2 } ) } { 8 }\)
• B) \(\frac { ( - \sqrt { 3 } - 1 ) ( 2 \sqrt { 2 } ) } { 8 }\)
• C) \(\frac { ( \sqrt { 3 } - 1 ) ( 2 \sqrt { 2 } ) } { 8 }\)
• D) \(\frac { ( \sqrt { 3 } + 1 ) ( 2 \sqrt { 2 } ) } { 8 }\)

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Definitions:

Lev Vygotsky

A Soviet psychologist known for his work on cognitive development, particularly the social-cultural theory emphasizing the importance of social interaction in learning.

Theory Of Mind

The ability to attribute mental states—beliefs, intents, desires, emotions, knowledge, etc.—to oneself and to others and to understand that others have beliefs, desires, and intentions that are different from one's own.

Infantile Amnesia

The incapacity of adults to recall episodic memories, which are memories related to specific events or situations, from their early childhood years.

Egocentrism

The inability to differentiate between one's own perspective and someone else's perspective, often seen in early childhood development.