prove that cos tita - 2 cos3 tita ÷ 2sin3 tita - sin tita = cot tita
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Which mayor of Atlanta promoted the slogan:" A city too busy to hate" promoting peace between whites and blacks in the city?
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prove that cos tita - 2 cos3 tita ÷ 2sin3 tita - sin tita = cot tita
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