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.
A straight trail leads from the Alpine Hotel, elevation 8000 feet, to a scenic overlook, elevation 11,100 feet. The length of the trail is 14,100 feet. What is the inclination (grade) of the trail? That is,what is the angle B in Figure?
![Figure 11
Hotel
Overlook
elevation
11,100 ft
田田田
Trail
14,100 ft
B
3100 ft
Elevation
8000 ft](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fdec4f67e-e2cf-4a75-bafa-14f642e1bd27%2F0673963b-70d5-41c6-8e8b-19284002edec%2Fscb5va_processed.jpeg&w=3840&q=75)
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