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Use the half-angle formulas to simplify the expression.
Critical Rationalists
Philosophers or thinkers who emphasize the importance of critical scrutiny and rational argument in the pursuit of knowledge.
Contrary Evidence
Information or data that challenges or contradicts a particular belief, hypothesis, or theory.
Formal Training
Structured educational or skill development programs provided by organizations or institutions.
Familiar Contexts
Situations or environments that are well known and comfortable to an individual, often because of frequent exposure or experience.
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