Categorize the graph as linear increasing, linear decreasing, exponential
growth, or negative exponential growth.

A. Exponential growth
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B. Linear increasing
C. Linear decreasing
D. Negative exponential growth

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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.