Find the Amplitude, Period and Phase Shift Of $y = 3 \cos ( 2 x )$

question 13

Essay

Find the amplitude, period and phase shift of $y = 3 \cos ( 2 x )$ and sketch its graph.

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Definitions:

Maladaptive Beliefs

Thoughts or beliefs that are counterproductive or harmful to one’s ability to function effectively.

Systematic Desensitization

A therapy technique used to treat phobias and anxiety by gradually exposing the person to the anxiety source in a controlled environment.

Muscle Relaxation

A technique used to alleviate stress or tension in the muscles through exercises, often involving the deliberate tension and then relaxation of specific muscle groups.

Social Skills Training

A behavior therapy designed to improve interpersonal skills that emphasizes modeling, behavioral rehearsal, and shaping.