Problem 2.2The angle of elevation to the top of a building, from a point on the ground 20 feet from thebase of the building, is 79°. Find the height of the building to the nearest tenth of a foot.Problem 2.3Find a cofunction with the same value as sec 66°.Problem 2.4Determine the exact value of cos 4. (Decimal approximation will NOT be accepted.)Problem 2.5The angle t is acute and sin t= is given. Use a Pythagorean identity to find cos t.%3DProblem 2.6Giyen sint =functions.2 and cos t= Y21, find the value of each of the four remaining trigonometric

Question-2.2 . Since you have asked multiple questions, we will solve the first question for you…

Answered: Problem 2.2 The angle of elevation to…

Problem 2.2 The angle of elevation to the top of a building, from a point on the ground 20 feet from the base of the building, is 79°. Find the height of the building to the nearest tenth of a foot.

Trigonometry (MindTap Course List)

8th Edition

ISBN:9781305652224

Author:Charles P. McKeague, Mark D. Turner

Publisher:Charles P. McKeague, Mark D. Turner

Chapter3: Radian Measure

Section3.2: Radians And Degrees

Problem 24PS

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Concept explainers

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.

Question

Problem 2.2
The angle of elevation to the top of a building, from a point on the ground 20 feet from the
base of the building, is 79°. Find the height of the building to the nearest tenth of a foot.
Problem 2.3
Find a cofunction with the same value as sec 66°.
Problem 2.4
Determine the exact value of cos 4. (Decimal approximation will NOT be accepted.)
Problem 2.5
The angle t is acute and sin t= is given. Use a Pythagorean identity to find cos t.
%3D
Problem 2.6
Giyen sint =
functions.
2 and cos t= Y21, find the value of each of the four remaining trigonometric

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