Find all solutions of the following equation in the interval 
. 
Definitions:
Prove
Demonstrate that a statement or proposition is true, either by using argumentation or by presenting evidence.
Happiness Box
A conceptual tool or physical repository used for storing memories, thoughts, or items associated with happiness and joy.
Dreaming
The experience of envisioned images, sounds, or other sensations during sleep.
Awake
The state of being conscious, alert, and aware of one's surroundings, often contrasted with being asleep.
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