Use a Sum or Difference Identity to Find the Exact $\sin 185 ^ { \circ } \cos 65 ^ { \circ } - \cos 185 ^ { \circ } \sin 65 ^ { \circ }$

question 134

Multiple Choice

Use a sum or difference identity to find the exact value.
- $\sin 185 ^ { \circ } \cos 65 ^ { \circ } - \cos 185 ^ { \circ } \sin 65 ^ { \circ }$

• A) \(- \frac { \sqrt { 3 } } { 2 }\)
• B) \(\frac { \sqrt { 3 } } { 2 }\)
• C) \(- \frac { 37 } { 12 }\)
• D) \(- \frac { 1 } { 2 }\)

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Definitions:

Episodic Memory

A memory system proposed by Tulving that is thought to hold memories of specific events with which the cognitive processor has had direct experience.

Context Effect

The psychological phenomenon where the context or environment in which information is encountered affects how that information is processed and recalled.

Semantic Memory

A type of long-term memory involving the capacity to recall words, concepts, or numbers, which is essential for the understanding and use of language.

Mood-dependent Memory

The phenomenon where an individual's current mood affects the recall of memories that are congruent with that mood.