What is a theoretical temperature at which the motion of all atoms and molecules stops; the coldest possible temperature? * 3 points
0 degrees fahrenheit
Absolute Zero
0 degrees celcius

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since the cosine is the ratio of the adjacent side to the hypotenuse, you can see that cos 60° = ½. answer. according to the property of cofunctions (topic 3), sin 30° is equal to cos 60°. sin 30° = ½.