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Write the Sum Without Sigma Notation and Evaluate It k=142cosπk\sum _ { \mathrm { k } = 1 } ^ { 4 } 2 \cos \frac { \pi } { \mathrm { k } }

question 62

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Write the sum without sigma notation and evaluate it.
- k=142cosπk\sum _ { \mathrm { k } = 1 } ^ { 4 } 2 \cos \frac { \pi } { \mathrm { k } }


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Equity

The principle of fairness and impartiality, often referenced in contexts like finance, social justice, and law.

Norms

Shared guidelines or expectations within a society or group about how people should behave.

Significant Others

People whose views and attitudes are very important and worthy of consideration. The reflected views of a significant other have great influence on the individual’s self-concept and self-regulation.

Social Psychology

The scientific study of how people's thoughts, feelings, and behaviors are influenced by the actual, imagined, or implied presence of others.

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