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Use the half-angle formulas to determine the exact value of the given trigonometric expression.
Achievement Orientation
A personal quality characterized by a constant striving for improvement and the setting of high-performance standards based on a desire for success.
Perfectionism
A personality trait characterized by striving for flawlessness and setting excessively high performance standards, accompanied by critical self-evaluations.
Performance
The action or process of carrying out or accomplishing an action, task, or function.
Rewards
Incentives or benefits given to individuals or groups to recognize and encourage their achievements or performance.
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