Find Cos a and Round to the Nearest Ten-Thousandth If

question 98

Multiple Choice

Find cos A and round to the nearest ten-thousandth if a = 12, b = 10, and c = 15.6.

• A)0.7692
• B)0.8333
• C)0.6410
• D)1.200

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Definitions:

Arousal Theory

A theory that suggests people are motivated to maintain an optimal level of arousal, neither too high nor too low.

Avoid Stress

Avoiding stress refers to strategies or actions taken to reduce or eliminate sources of tension and anxiety in one’s life.

Yerkes-Dodson Law

A psychological principle stating that there is an optimal level of arousal for performance on tasks—too little arousal can lead to underperformance, whereas too much can lead to errors.

Optimal Level

Refers to the most favorable or ideal state of something for its intended purpose or function.