Find the cosine of angle e in the triangle below. 13 12 5 12 a. 13 5 b. 13 12 C. 13 d. 5 13 е. 12

Q: Classify the following triangle as right or not. Explain why it is or is not. 15 Use the paperclip…

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Q: 3. Find the measure of angle B. 63 22 48 B O 16.32° O 15.04° 16.78° 15.78°

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Q: K

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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.