Which of the following best describes the length of side S in the diagram above? A. R cos 30 B. Q sin 30 C. $\sqrt{Q^2 - R^2}$ D. $\sqrt{Q^2 + R^2}$
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In a right triangle, the cosine of an angle is defined as the ratio of the length of the adjacent side to the length of the hypotenuse. The sine of an angle is defined as the ratio of the length of the opposite side to the length of the hypotenuse. In the given Show more…
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