Jim is in his fishing boat, traveling along a straight path. He sights a lighthouse from the bow (front) of his boat. He makes his first reading on his hand compass and measures that the lighthouse is 45° to the left from his straight path. He continues to travel along the straight path for15 miles before he makes his second measurement from the stern (back) of his boat. His second reading is 55° to the right of the path. How far away is Jim's fishing boat from the lighthouse at the time of the second reading? Finish labelling the diagram. LIGHTHOUSE 15 Miles

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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.