A surveyor set up his instrument at A and measured the angle of elevation of the top of a tower and found it to be 28.4 degrees. He moved the instrument 71 m closer to the tower and measured the angle of elevation of the top of the tower as 52.6 degrees. How far is he from the tower in his initial position (in meters)?
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 surveyor set up his instrument at A and measured the
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