The sine of 30 degrees is 1/2..........



sine(30 degrees) =

0.5

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More info

The 30°-60°-90° triangle. Topics in trigonometry. - TheMathPage

www.themathpage.com/atrig/30-60-90-triangle.htm

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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.

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