Solve the Given Equation $2 \sin ^ { 2 } \theta - 1 = 0$

question 91

Essay

Solve the given equation. $2 \sin ^ { 2 } \theta - 1 = 0$

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Definitions:

Sleep Disturbance

A broad category of sleep disorders that includes problems with falling asleep, staying asleep, or experiencing restful sleep.

Pregnancy

The period of embryonic and fetal development in the uterus from conception until birth.

Insomnia

is a sleep disorder characterized by difficulty falling and/or staying asleep.

Sleep Diary

A self-reported log used to track sleep patterns, including duration, quality, and disturbances, often utilizedin diagnosing sleep disorders.