Pearson eText for Basic Technical Mathematics with Calculus -- Instant Access (Pearson+)
Pearson eText for Basic Technical Mathematics with Calculus -- Instant Access (Pearson+)
11th Edition
ISBN: 9780137554843
Author: Allyn Washington, Richard Evans
Publisher: PEARSON+
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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.
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Chapter 2.1, Problem 21E
To determine

The measure of the angle ∠3.

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Chapter 2 Solutions

Pearson eText for Basic Technical Mathematics with Calculus -- Instant Access (Pearson+)

Ch. 2.1 - What is the measure of the complement of in Fig....Ch. 2.1 - Prob. 2PECh. 2.1 - In Exercises 1–4, answer the given questions about...Ch. 2.1 - Prob. 2ECh. 2.1 - Prob. 3ECh. 2.1 - Prob. 4ECh. 2.1 - In Exercises 5–12, identify the indicated angles...Ch. 2.1 - In Exercises 5–12, identify the indicated angles...Ch. 2.1 - In Exercises 5–12, identify the indicated angles...Ch. 2.1 - In Exercises 5–12, identify the indicated angles...
Ch. 2.1 - In Exercises 5–12, identify the indicated angles...Ch. 2.1 - In Exercises 5–12, identify the indicated angles...Ch. 2.1 - In Exercises 5–12, identify the indicated angles...Ch. 2.1 - In Exercises 5–12, identify the indicated angles...Ch. 2.1 - In Exercises 13–15, use Fig. 2.11. In Exercises...Ch. 2.1 - In Exercises 13–15, use Fig. 2.11. In Exercises...Ch. 2.1 - In Exercises 13–15, use Fig. 2.11. In Exercises...Ch. 2.1 - In Exercises 13–15, use Fig. 2.11. In Exercises...Ch. 2.1 - In Exercises 13–15, use Fig. 2.11. In Exercises...Ch. 2.1 - In Exercises 13–15, use Fig. 2.11. In Exercises...Ch. 2.1 - In Exercises 19–24, find the measures of the...Ch. 2.1 - In Exercises 19–24, find the measures of the...Ch. 2.1 - In Exercises 19–24, find the measures of the...Ch. 2.1 - In Exercises 19–24, find the measures of the...Ch. 2.1 - In Exercises 19–24, find the measures of the...Ch. 2.1 - In Exercises 19–24, find the measures of the...Ch. 2.1 - In Exercises 25–30, find the measures of the...Ch. 2.1 - In Exercises 25-30, find the measures of the...Ch. 2.1 - In Exercises 25-30, find the measures of the...Ch. 2.1 - In Exercises 25-30, find the measures of the...Ch. 2.1 - In Exercises 25-30, find the measures of the...Ch. 2.1 - In Exercises 25-30, find the measures of the...Ch. 2.1 - In Exercises 31–34, find the indicated distances...Ch. 2.1 - In Exercises 31–34, find the indicated distances...Ch. 2.1 - In Exercises 31–34, find the indicated distances...Ch. 2.1 - In Exercises 31–34, find the indicated distances...Ch. 2.1 - In Exercises 35–40, find all angles of the given...Ch. 2.1 - In Exercises 35–40, find all angles of the given...Ch. 2.1 - In Exercises 35–40, find all angles of the given...Ch. 2.1 - In Exercises 35–40, find all angles of the given...Ch. 2.1 - In Exercises 35–40, find all angles of the given...Ch. 2.1 - In Exercises 35–40, find all angles of the given...Ch. 2.1 - In Exercises 41-46, solve the given problems 41. A...Ch. 2.1 - In Exercises 41–16, solve the given...Ch. 2.1 - In Exercises 41-46, solve the given problems 43. A...Ch. 2.1 - Prob. 44ECh. 2.1 - Prob. 45ECh. 2.1 - Prob. 46ECh. 2.1 - Prob. 47ECh. 2.1 - Prob. 48ECh. 2.1 - Prob. 49ECh. 2.1 - Prob. 50ECh. 2.2 - Prob. 1PECh. 2.2 - Prob. 2PECh. 2.2 - Prob. 3PECh. 2.2 - Prob. 1ECh. 2.2 - Prob. 2ECh. 2.2 - Prob. 3ECh. 2.2 - Prob. 4ECh. 2.2 - In Exercises 5–8, determine ∠A in the indicated...Ch. 2.2 - In Exercises 5–8, determine ∠A in the indicated...Ch. 2.2 - In Exercises 5–8, determine ∠A in the indicated...Ch. 2.2 - In Exercises 5–8, determine ∠A in the indicated...Ch. 2.2 - In Exercises 9–16, find the area of each...Ch. 2.2 - In Exercises 9–16, find the area of each...Ch. 2.2 - In Exercises 9–16, find the area of each...Ch. 2.2 - In Exercises 9–16, find the area of each...Ch. 2.2 - In Exercises 9–16, find the area of each...Ch. 2.2 - In Exercises 9–16, find the area of each...Ch. 2.2 - In Exercises 9–16, find the area of each...Ch. 2.2 - In Exercises 9–16, find the area of each...Ch. 2.2 - In Exercises 17–20, find the perimeter of each...Ch. 2.2 - In Exercises 17–20, find the perimeter of each...Ch. 2.2 - In Exercises 17–20, find the perimeter of each...Ch. 2.2 - In Exercises 17–20, find the perimeter of each...Ch. 2.2 - In Exercises 21–26, find the third side of the...Ch. 2.2 - In Exercises 21–26, find the third side of the...Ch. 2.2 - In Exercises 21–26, find the third side of the...Ch. 2.2 - In Exercises 21–26, find the third side of the...Ch. 2.2 - In Exercises 21–26, find the third side of the...Ch. 2.2 - In Exercises 21–26, find the third side of the...Ch. 2.2 - In Exercises 27–30, use the right triangle in Fig....Ch. 2.2 - In Exercises 27–30, use the right triangle in Fig....Ch. 2.2 - In Exercises 27–30, use the right triangle in Fig....Ch. 2.2 - Prob. 30ECh. 2.2 - In Exercises 31–58, solve the given problems. 31....Ch. 2.2 - In Exercises 31–58, solve the given problems. 32....Ch. 2.2 - In Exercises 31–58, solve the given problems. 33....Ch. 2.2 - In Exercises 31–58, solve the given...Ch. 2.2 - In Exercises 31–58, solve the given problems. 35....Ch. 2.2 - In Exercises 31–58, solve the given problems. 36....Ch. 2.2 - In Exercises 31–58, solve the given...Ch. 2.2 - Prob. 38ECh. 2.2 - Prob. 39ECh. 2.2 - Prob. 40ECh. 2.2 - Prob. 41ECh. 2.2 - In Exercises 31–58, solve the given...Ch. 2.2 - In Exercises 31–58, solve the given...Ch. 2.2 - In Exercises 31–58, solve the given...Ch. 2.2 - Prob. 45ECh. 2.2 - Prob. 46ECh. 2.2 - Prob. 47ECh. 2.2 - Prob. 48ECh. 2.2 - In Exercises 31–58, solve the given...Ch. 2.2 - Prob. 50ECh. 2.2 - In Exercises 31–58, solve the given problems. 51....Ch. 2.2 - Prob. 52ECh. 2.2 - Prob. 53ECh. 2.2 - Prob. 54ECh. 2.2 - Prob. 55ECh. 2.2 - Prob. 56ECh. 2.2 - Prob. 57ECh. 2.2 - Prob. 58ECh. 2.3 - Prob. 1PECh. 2.3 - Prob. 2PECh. 2.3 - Prob. 3PECh. 2.3 - Prob. 1ECh. 2.3 - Prob. 2ECh. 2.3 - Prob. 3ECh. 2.3 - Prob. 4ECh. 2.3 - Prob. 5ECh. 2.3 - In Exercises 5–12, find the perimeter of each...Ch. 2.3 - In Exercises 5–12, find the perimeter of each...Ch. 2.3 - In Exercises 5–12, find the perimeter of each...Ch. 2.3 - In Exercises 5–12, find the perimeter of each...Ch. 2.3 - In Exercises 5–12, find the perimeter of each...Ch. 2.3 - In Exercises 5–12, find the perimeter of each...Ch. 2.3 - In Exercises 5–12, find the perimeter of each...Ch. 2.3 - In Exercises 13–20, find the area of each...Ch. 2.3 - In Exercises 13–20, find the area of each...Ch. 2.3 - In Exercises 13–20, find the area of each...Ch. 2.3 - In Exercises 13–20, find the area of each...Ch. 2.3 - In Exercises 13–20, find the area of each...Ch. 2.3 - In Exercises 13–20, find the area of each...Ch. 2.3 - In Exercises 13–20, find the area of each...Ch. 2.3 - In Exercises 13–20, find the area of each...Ch. 2.3 - Prob. 21ECh. 2.3 - Prob. 22ECh. 2.3 - Prob. 23ECh. 2.3 - In Exercises 21–24, set up a formula for the...Ch. 2.3 - In Exercises 25–46, solve the given...Ch. 2.3 - What conclusion can you make about the two...Ch. 2.3 - Find the area of a square whose diagonal is 24.0...Ch. 2.3 - Noting the quadrilateral in Fig. 2.67, determine...Ch. 2.3 - The sum S of the measures of the interior angles...Ch. 2.3 - Express the area A of the large rectangle in Fig....Ch. 2.3 - Express the area of the square in Fig. 2.69 in...Ch. 2.3 - Part of an electric circuit is wired in the...Ch. 2.3 - A walkway 3.0 m wide is constructed along the...Ch. 2.3 - An architect designs a rectangular window such...Ch. 2.3 - Find the area of the cross section of concrete...Ch. 2.3 - A beam support in a building is in the shape of a...Ch. 2.3 - Each of two walls (with rectangular windows) of an...Ch. 2.3 - Prob. 40ECh. 2.3 - Prob. 41ECh. 2.3 - Prob. 42ECh. 2.3 - Prob. 43ECh. 2.3 - Prob. 44ECh. 2.3 - Prob. 45ECh. 2.3 - Prob. 46ECh. 2.4 - Prob. 1PECh. 2.4 - Prob. 2PECh. 2.4 - Prob. 3PECh. 2.4 - In Exercises 1-4, answer the given questions about...Ch. 2.4 - Prob. 2ECh. 2.4 - Prob. 3ECh. 2.4 - Prob. 4ECh. 2.4 - Prob. 5ECh. 2.4 - In Exercises 5-8, refer to the circle with center...Ch. 2.4 - In Exercises 5-8, refer to the circle with center...Ch. 2.4 - In Exercises 5-8, refer to the circle with center...Ch. 2.4 - In Exercises 9–12, find the circumference of the...Ch. 2.4 - In Exercises 9–12, find the circumference of the...Ch. 2.4 - In Exercises 9–12, find the circumference of the...Ch. 2.4 - In Exercises 9–12, find the circumference of the...Ch. 2.4 - In Exercises 13–16, find the area of the circle...Ch. 2.4 - In Exercises 13–16, find the area of the circle...Ch. 2.4 - In Exercises 13–16, find the area of the circle...Ch. 2.4 - In Exercises 13–16, find the area of the circle...Ch. 2.4 - In Exercises 17 and 18, find the area of the...Ch. 2.4 - In Exercises 17 and 18, find the area of the...Ch. 2.4 - In Exercises 19–22, refer to Fig. 2.86, where AB...Ch. 2.4 - In Exercises 19–22, refer to Fig. 2.86, where AB...Ch. 2.4 - In Exercises 19–22, refer to Fig. 2.86, where AB...Ch. 2.4 - In Exercises 19–22, refer to Fig. 2.86, where AB...Ch. 2.4 - In Exercises 23–26, refer to Fig. 2.87. Determine...Ch. 2.4 - In Exercises 23–26, refer to Fig. 2.87. Determine...Ch. 2.4 - In Exercises 23–26, refer to Fig. 2.87. Determine...Ch. 2.4 - In Exercises 23–26, refer to Fig. 2.87. Determine...Ch. 2.4 - In Exercises 27–30, change the given angles to...Ch. 2.4 - In Exercises 27–30, change the given angles to...Ch. 2.4 - In Exercises 27–30, change the given angles to...Ch. 2.4 - In Exercises 27–30, change the given angles to...Ch. 2.4 - In Exercises 31–34, find a formula for the...Ch. 2.4 - In Exercises 31–34, find a formula for the...Ch. 2.4 - Prob. 33ECh. 2.4 - Prob. 34ECh. 2.4 - Prob. 35ECh. 2.4 - Prob. 36ECh. 2.4 - Prob. 37ECh. 2.4 - Prob. 38ECh. 2.4 - Prob. 39ECh. 2.4 - Prob. 40ECh. 2.4 - Prob. 41ECh. 2.4 - Prob. 42ECh. 2.4 - Prob. 43ECh. 2.4 - Prob. 44ECh. 2.4 - Prob. 45ECh. 2.4 - Prob. 46ECh. 2.4 - Prob. 47ECh. 2.4 - Prob. 48ECh. 2.4 - Prob. 49ECh. 2.4 - Prob. 50ECh. 2.4 - Prob. 51ECh. 2.4 - Prob. 52ECh. 2.4 - In Exercises 35–58, solve the given...Ch. 2.4 - Prob. 54ECh. 2.4 - Prob. 55ECh. 2.4 - Prob. 56ECh. 2.4 - Prob. 57ECh. 2.4 - Prob. 58ECh. 2.5 - Prob. 1PECh. 2.5 - Prob. 1ECh. 2.5 - Prob. 2ECh. 2.5 - Prob. 3ECh. 2.5 - Prob. 4ECh. 2.5 - Prob. 5ECh. 2.5 - Prob. 6ECh. 2.5 - In Exercises 7–18, calculate the indicated areas....Ch. 2.5 - In Exercises 7–18, calculate the indicated areas....Ch. 2.5 - In Exercises 7–18, calculate the indicated areas....Ch. 2.5 - In Exercises 7–18, calculate the indicated areas....Ch. 2.5 - Prob. 11ECh. 2.5 - Prob. 12ECh. 2.5 - Prob. 13ECh. 2.5 - Prob. 14ECh. 2.5 - Prob. 15ECh. 2.5 - Prob. 16ECh. 2.5 - Prob. 17ECh. 2.5 - Prob. 18ECh. 2.5 - Prob. 19ECh. 2.5 - Prob. 20ECh. 2.5 - Prob. 21ECh. 2.5 - In Exercises 19–22, calculate the area of the...Ch. 2.6 - Prob. 1PECh. 2.6 - Prob. 2PECh. 2.6 - Prob. 1ECh. 2.6 - Prob. 2ECh. 2.6 - Prob. 3ECh. 2.6 - Prob. 4ECh. 2.6 - Prob. 5ECh. 2.6 - Prob. 6ECh. 2.6 - Prob. 7ECh. 2.6 - Prob. 8ECh. 2.6 - In Exercises 5–22, find the volume or area of each...Ch. 2.6 - Prob. 10ECh. 2.6 - Prob. 11ECh. 2.6 - In Exercises 5–22, find the volume or area of each...Ch. 2.6 - Prob. 13ECh. 2.6 - Prob. 14ECh. 2.6 - Prob. 15ECh. 2.6 - Prob. 16ECh. 2.6 - Prob. 17ECh. 2.6 - Prob. 18ECh. 2.6 - Prob. 19ECh. 2.6 - Prob. 20ECh. 2.6 - Prob. 21ECh. 2.6 - Prob. 22ECh. 2.6 - Prob. 23ECh. 2.6 - Prob. 24ECh. 2.6 - Prob. 25ECh. 2.6 - Prob. 26ECh. 2.6 - Prob. 27ECh. 2.6 - Prob. 28ECh. 2.6 - Prob. 29ECh. 2.6 - Prob. 30ECh. 2.6 - Prob. 31ECh. 2.6 - Prob. 32ECh. 2.6 - Prob. 33ECh. 2.6 - Prob. 34ECh. 2.6 - Prob. 35ECh. 2.6 - In Exercises 23–46, solve the given problems. 36....Ch. 2.6 - Prob. 37ECh. 2.6 - Prob. 38ECh. 2.6 - Prob. 39ECh. 2.6 - Prob. 40ECh. 2.6 - Prob. 41ECh. 2.6 - Prob. 42ECh. 2.6 - Prob. 43ECh. 2.6 - In Exercises 23–46, solve the given problems. 44....Ch. 2.6 - In Exercises 23–46, solve the given problems. 45....Ch. 2.6 - Prob. 46ECh. 2 - Prob. 1RECh. 2 - Prob. 2RECh. 2 - Prob. 3RECh. 2 - Prob. 4RECh. 2 - Prob. 5RECh. 2 - Prob. 6RECh. 2 - Prob. 7RECh. 2 - Prob. 8RECh. 2 - Prob. 9RECh. 2 - Prob. 10RECh. 2 - Prob. 11RECh. 2 - Prob. 12RECh. 2 - Prob. 13RECh. 2 - Prob. 14RECh. 2 - Prob. 15RECh. 2 - Prob. 16RECh. 2 - Prob. 17RECh. 2 - Prob. 18RECh. 2 - Prob. 19RECh. 2 - Prob. 20RECh. 2 - Prob. 21RECh. 2 - Prob. 22RECh. 2 - In Exercises 19–26, find the perimeter or area of...Ch. 2 - Prob. 24RECh. 2 - Prob. 25RECh. 2 - Prob. 26RECh. 2 - Prob. 27RECh. 2 - Prob. 28RECh. 2 - Prob. 29RECh. 2 - In Exercises 27–32, find the volume of the...Ch. 2 - Prob. 31RECh. 2 - Prob. 32RECh. 2 - Prob. 33RECh. 2 - Prob. 34RECh. 2 - Prob. 35RECh. 2 - Prob. 36RECh. 2 - Prob. 37RECh. 2 - Prob. 38RECh. 2 - Prob. 39RECh. 2 - Prob. 40RECh. 2 - Prob. 41RECh. 2 - Prob. 42RECh. 2 - Prob. 43RECh. 2 - Prob. 44RECh. 2 - Prob. 45RECh. 2 - Prob. 46RECh. 2 - Prob. 47RECh. 2 - Prob. 48RECh. 2 - Prob. 49RECh. 2 - Prob. 50RECh. 2 - If the dimensions of a plane geometric figure are...Ch. 2 - Prob. 52RECh. 2 - Prob. 53RECh. 2 - Prob. 54RECh. 2 - Prob. 55RECh. 2 - Prob. 56RECh. 2 - Prob. 57RECh. 2 - Prob. 58RECh. 2 - Prob. 59RECh. 2 - Prob. 60RECh. 2 - Prob. 61RECh. 2 - Prob. 62RECh. 2 - Prob. 63RECh. 2 - Prob. 64RECh. 2 - Prob. 65RECh. 2 - Prob. 66RECh. 2 - Prob. 67RECh. 2 - Prob. 68RECh. 2 - In Exercises 55–84, solve the given problems. 69....Ch. 2 - Prob. 70RECh. 2 - Prob. 71RECh. 2 - Prob. 72RECh. 2 - Prob. 73RECh. 2 - Prob. 74RECh. 2 - Prob. 75RECh. 2 - Prob. 76RECh. 2 - Prob. 77RECh. 2 - Prob. 78RECh. 2 - Prob. 79RECh. 2 - Prob. 80RECh. 2 - Prob. 81RECh. 2 - Prob. 82RECh. 2 - Prob. 83RECh. 2 - Prob. 84RECh. 2 - Prob. 85RECh. 2 - Prob. 1PTCh. 2 - Prob. 2PTCh. 2 - Prob. 3PTCh. 2 - Prob. 4PTCh. 2 - Prob. 5PTCh. 2 - Prob. 6PTCh. 2 - Prob. 7PTCh. 2 - Find the surface area of a tennis ball whose...Ch. 2 - Prob. 9PTCh. 2 - Prob. 10PTCh. 2 - Prob. 11PTCh. 2 - Prob. 12PTCh. 2 - Prob. 13PTCh. 2 - Prob. 14PT
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Trigonometric Ratios; Author: The Organic Chemistry Tutor;https://www.youtube.com/watch?v=9-eHMMpQC2k;License: Standard YouTube License, CC-BY