What is the domain of the absolute value function below? x<-4
x>2
(-infinity,-4)
(-infinity,+ infinity)

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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.

Is a for each hour he works,his earnings go up by $4