The angle of elevation from a viewer to the top of a flagpole is 50°. The viewer is 80 ft away and the viewer's eyes are 5.5 ft from the ground. How high is the pole to the nearest tenth of a foot? height ft. %3D

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Q: 60° B r= 6 cm A,

A: The formula for the length of the arc is,s=2πrθ360 Then, s=2π6 cm60360=2×3.14=6.28 cm

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A: 1.

Q: a 112° b.

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Q: Calculate sec 88°. Round to 4 decimal places.

A: We have given to find  sec880  sec880=28.6537083   Rounding to four decimal places  sec880=28.6537

Q: Evaluate. Write in standard form: 3.276 x 10⁰

A: Given query is yof to write the number in standard form.

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.