The navigator of a ship at sea spots two lighthouses some distance apart along a straight seashore. She determines that the distance from the ship to one lighthouse is 3.4 miles and from the ship to the other lighthouse is 30.5 miles. if the navigator measures the angle between those two sightings to be 70. a. How far apart are the lighthouses? b. How far is the ship from the shore?
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.
The navigator of a ship at sea spots two lighthouses some distance apart along a straight seashore. She determines that the distance from the ship to one lighthouse is 3.4 miles and from the ship to the other lighthouse is 30.5 miles. if the navigator measures the
a. How far apart are the lighthouses?
b. How far is the ship from the shore?
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