Assume Za is opposite side a, ZB is opposite side b, and Zy is opposite side c. Solve triangle ABC if ZA = a = 45.7°, b = 12.4 mi, and c = 16.5 mi. Using the Law of Cosines, mi. Your answer should accurate to 2 decimal places. Using the Law of Cosines again, cos/B = cos B = Your answer should accurate to 5 decimal places. Thus, B2 Your answer should accurate to 2 decimal places. cosZC = cos y = Your answer should accurate to 5 decimal places.

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Ratios

A ratio is a comparison between two numbers of the same kind. It represents how many times one number contains another. It also represents how small or large one number is compared to the other.

Trigonometric Ratios

Trigonometric ratios give values of trigonometric functions. It always deals with triangles that have one angle measuring 90 degrees. These triangles are right-angled. We take the ratio of sides of these triangles.