Mathematics For Machine Technology
8th Edition
ISBN:9781337798310
Author:Peterson, John.
Publisher:Peterson, John.
Chapter60: Areas Of Triangles
Section: Chapter Questions
Problem 3A: The four holes in the figure are 0.8 cm in diameter and equally spaced around the bolt circle. Find...
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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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A projectile is fired with an initial speed
of 500 m / sec at an angle of elevation of 45. When and how far away will the projectile strike?
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