A boy flying his kite releases the entire length of his string which measures 26 m, so that the kite is 20 meters above him. If the angle the string makes with the horizontal 8. ground is 0°, find 0 to two decimal places. 26 m 20 m

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A: option (d) is correct  see below the calculation and explanation

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Q: A radio tower is located 400 feet from a building. From a window in the building, a person…

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A: Topic:- trigonometry in right angle triangle

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Q: 10 feet

A: Cosx=base/hypotenuse

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A: ∴Height of tower is x+yAM=425 ftIn ∆ADM ;tan40°=x425x=425 x tan 40°∴x=356.617 ft

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A: Here the angle of elevation from the ground is 67∘

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Q: 27 31

A: Cosx = adjacent/hypotenuse Cosx = 27/31 x= cos^-1(0.8709) x = 29.42°

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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.