Evaluate the Following Expression $2 \cos ^ { 2 } \beta + 2 \cos ^ { 2 } \left( \frac { \pi } { 2 } - \beta \right)$

question 131

Multiple Choice

Evaluate the following expression.
$2 \cos ^ { 2 } \beta + 2 \cos ^ { 2 } \left( \frac { \pi } { 2 } - \beta \right)$

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Easygoing

Describes someone or something that is relaxed, calm, and not easily upset or disturbed.

Written Copy

Text that has been transcribed or printed from one medium to another, often referring to a replicated document or manuscript.

Active Listening Skills

A technique of listening that involves paying full attention, understanding, responding, and remembering what is being said.

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Abilities related to understanding and expressing oneself without the use of spoken language, including gestures, facial expressions, and body language.