In most occasions,you can request that your mechanic perform a Block test to ensure their hasn't been any major damage done to your engine, BEFORE you decide to repair the causes of overheating (rubber hose,thermostat,water pump,radiator,cooling fan etc). Sometimes their is no choice ,but to repair the causes first.
Epsilon (uppercase Îµ, lowercase Îµ or lunate Ïµ; Greek: Î­ÏÎ¹Î»Î¿Î½) is the fifth letter of the Greek alphabet, corresponding phonetically to a mid front unrounded vowel /e/. In the system of Greek numerals it has the value five. It was derived from the Phoenician letter He .
Theta is most often used to represent unknown angles, especially in the study of trigonometry. Theta represents an angle in degrees, but not in radians. Theta (Î¸) is a Greek letter, typically denoting an unknown angle. Depending on the context of the problem, it could be in degrees or radians.