Find the Reference Number and the Terminal Point $P ( x , y )$

question 87

Essay

Find the reference number and the terminal point $P ( x , y )$ determined by $t = - \frac { 7 \pi } { 4 }$ .

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Definitions:

Pineal Body

A small endocrine gland in the brain that produces melatonin, a hormone that regulates sleep-wake cycles.

Epithalamus

A part of the diencephalon in the brain that includes the pineal gland and is involved in the regulation of sleep-wake cycles.

Diencephalon

A division of the brain located between the cerebral hemispheres and brainstem, comprising structures such as the thalamus and hypothalamus, essential for sensory and autonomic functions.

Midbrain

A part of the brainstem that plays an important role in vision, hearing, motor control, sleep/wake, arousal, and temperature regulation.