Examlex
A circle can be inscribed within or circumscribed about any regular polygon.
Wilhelm Wundt
A German physiologist and psychologist who is recognized as the founder of experimental psychology and the first person to call himself a psychologist.
American Psychological Association
The largest scientific and professional organization of psychologists in the United States, dedicated to advancing psychology as a science, profession, and means of promoting health, education, and human welfare.
Mary Whiton Calkins
Mary Whiton Calkins was a pioneering American psychologist and philosopher, known for being the first female president of the American Psychological Association.
Positive Reinforcement
A technique in behavior modification that involves rewarding a desired behavior to increase the likelihood of its recurrence.
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Q60: The exact value for both sin 45
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