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Evaluate the trigonometric function of the given quadrantal angle. If the value is undefined, write "undefined."
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Self-awareness
An understanding of one's personal traits, sentiments, driving factors, and aspirations.
Self-recognition
The cognitive ability to recognize oneself in a mirror or photograph, often considered a milestone in self-awareness and identity development.
Categorical Self
A classification of the self children use to guide their behavior; based on broad ways in which people differ, such as sex, age, and physical characteristics.
Mirror
An object with a reflective surface that forms an image of whatever stands before it, commonly used for personal grooming or decorative purposes.
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