Simplify the Expression Algebraically $\frac { 9 } { \sqrt { 2 } } \cos \left( \frac { 5 \pi } { 4 } - x \right)$

question 134

Multiple Choice

Simplify the expression algebraically.
$\frac { 9 } { \sqrt { 2 } } \cos \left( \frac { 5 \pi } { 4 } - x \right)$

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Definitions:

Amygdala

A part of the brain's limbic system involved in emotion regulation, especially fear, and storing emotional memories.

Neurotransmitter

Chemical substances released from neurons that transmit signals across a synapse to other neurons, muscle cells, or gland cells, playing a crucial role in the functioning of the nervous system.

Norepinephrine

A neurotransmitter involved in the body's fight or flight response, also playing key roles in mood and attention regulation.

Traumatic Events

Incidents that cause psychological, physical, or emotional distress or harm, profoundly affecting an individual's well-being.