Final answer:
Propranolol, Digoxin, and Verapamil are used to treat angina symptoms, while Nitroglycerin helps reduce angina pain by relaxing arteries and arterioles.
Explanation:
Propranolol, Digoxin, and Verapamil all treat angina symptoms. However, Nitroglycerin does not treat angina symptoms directly but rather helps reduce the pain by generating nitric oxide to relax the walls of coronary arteries and arterioles.
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