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Use a Calculator to Find the Approximate Value of the Expression

question 166

Multiple Choice

Use a calculator to find the approximate value of the expression rounded to two decimal places.
- cos3π7\cos \frac { 3 \pi } { 7 }


Definitions:

Psychological Problems

Psychological problems encompass a wide range of mental health issues and disorders that affect a person's thinking, behavior, and emotions, impacting their overall quality of life.

Type I Schizophrenia

According to some theorists, a type of schizophrenia dominated by positive symptoms, such as delusions, hallucinations, and certain formal thought disorders.

Guilty By Reason Of Insanity

A legal defense by which a defendant claims their mental illness was so severe at the time of the crime that they were unable to discern right from wrong, absolving them of legal responsibility for the said crime.

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