Mathematics For Machine Technology

8th Edition

ISBN: 9781337798310

Author: Peterson, John.

Publisher: Cengage Learning,

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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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Textbook Question

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Chapter 71, Problem 4A

If ∠A = 36°50', determine sin A, cos A, tan A, cot A, csc A, and sec A. Round each answer to 5 decimal places.

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Chapter 71, Problem 3A

Chapter 71, Problem 5A

Chapter 71 Solutions

Mathematics For Machine Technology

Ch. 71 - Prob. 1A Ch. 71 - Find the distance y to the nearest hundredth of an...Ch. 71 - Prob. 3A Ch. 71 - If A = 3650', determine sin A, cos A, tan A, cot...Ch. 71 - Prob. 5A Ch. 71 - Find x.Ch. 71 - For each angle, sketch a right triangle. Label the...Ch. 71 - For each angle, sketch a right triangle. Label the...Ch. 71 - Prob. 9A Ch. 71 - For each angle, sketch a right triangle. Label the...

Ch. 71 - Prob. 11A Ch. 71 - For each angle, sketch a right triangle. Label the...Ch. 71 - Prob. 13A Ch. 71 - For each angle, sketch a right triangle. Label the...Ch. 71 - Prob. 15A Ch. 71 - For each angle, sketch a right triangle. Label the...Ch. 71 - Prob. 17A Ch. 71 - For each angle, sketch a right triangle. Label the...

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If sinA=0.3617 , determine the value of angle A in degrees, minutes, and seconds rounded to the nearest second.
Using your calculator, find to the nearest degree if sin=0.6691._______
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