If a number, n, divided by 8 equals 2.5, what is n?

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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.

1. 3/6 or 1/22. 1/123. 1/84. 1/105. 2/12 or 1/6