Determine the Exact Value of the Following Expression $$\cos \left( 120 ^ { \circ } - 0 ^ { \circ } \right)$$

question 105

Multiple Choice

Determine the exact value of the following expression.
$$\cos \left( 120 ^ { \circ } - 0 ^ { \circ } \right)$$

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

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Definitions:

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A state resembling trance characterized by heightened concentration and greater openness to suggestion, frequently employed for therapeutic objectives.

Suggestibility

The quality of being inclined to accept and act on the suggestions of others.

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Engagements and pursuits that enrich the mind and promote cultural growth, such as reading, attending art exhibits, and engaging in scholarly discussions.