What is the range of the function below? h(x) = {(2, 3), (5, 7), (6, -3), (4, 2)}
O {-3, 2, 3, 7)
O {5, 12, 3, 6)
O {2, 4, 5, 6)
O (2, 3, 5, 7, 6, – 3, 4, 2)

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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.