Use a Calculator to Decide Whether the Statement Is True

question 189

True/False

Use a calculator to decide whether the statement is true or false.
-sin (2 ·30°)= 2 · sin 30°

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Definitions:

Prodromal Phase

A stage that precedes the onset of a disease, characterized by early symptoms that might indicate the start of a disease before specific symptoms occur.

Socially Withdrawn

A behavior pattern where an individual prefers to avoid social interactions, often due to anxiety, depression, or personal preference.

Little Emotion

A state characterized by diminished expression or experience of emotions, also known as emotional blunting or flat affect, which can be a symptom of various psychological conditions.

Residual Phase

A stage in certain mental health conditions, such as schizophrenia, characterized by a reduction in severity of symptoms or their partial remission after an acute phase.