Plane TrigonometryLongmans, Green, and Company, 1906 |
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Page 8
Sara Pistoia. Now measure a desk with your hands. Did you measure about six or seven hands wide? Did you measure about ten hands long? Find a grown-up to measure the desk. A grown-up's hands are bigger than your hands. With their hands ...
Sara Pistoia. Now measure a desk with your hands. Did you measure about six or seven hands wide? Did you measure about ten hands long? Find a grown-up to measure the desk. A grown-up's hands are bigger than your hands. With their hands ...
Page 10
... measure each section separately . If moveable walls are absent or inoperable , measure the pod as one room placing detectors every 2000 square feet . Crawl Space Design : If classrooms are above an enclosed crawl space , measure rooms ...
... measure each section separately . If moveable walls are absent or inoperable , measure the pod as one room placing detectors every 2000 square feet . Crawl Space Design : If classrooms are above an enclosed crawl space , measure rooms ...
Page 19
... measure , at one time when the figure and position are fresh in the memory , there can be no security at a future ... measure to be effective must be confined exclusively to that section of the figure which has the front of scye as its ...
... measure , at one time when the figure and position are fresh in the memory , there can be no security at a future ... measure to be effective must be confined exclusively to that section of the figure which has the front of scye as its ...
Page 24
... measured? Pounds measure the pull of gravity on an object. When you're weighing objects on Earth, you're measuring Earth's pull on the objects. Because the pull of gravity depends on the size of the planet you're measuring an object on ...
... measured? Pounds measure the pull of gravity on an object. When you're weighing objects on Earth, you're measuring Earth's pull on the objects. Because the pull of gravity depends on the size of the planet you're measuring an object on ...
Page 21
... measures within the approach, the kinds of studies suited to each, and the various costs and benefits of using each alternative measure. The purpose of these chapters is to aid researchers in making decisions about the appropriate measures ...
... measures within the approach, the kinds of studies suited to each, and the various costs and benefits of using each alternative measure. The purpose of these chapters is to aid researchers in making decisions about the appropriate measures ...
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Common terms and phrases
A+B+C acute angle algebraic centre CHAPTER circumscribing computation cos² cosec cotangent deduced denoted Derive diedral angle draw equal equator EXAMPLES expression figure Find the distance formulas geometry given Hence hypotenuse included angle inscribed circle intersection latitude law of cosines law of sines length logarithms mantissa mathematics meridian method NOTE number of degrees number of sides opposite perpendicular plane triangle Plane Trigonometry polar triangle pole positive quadrant radian measure radii radius regular polygon relations respectively right angles right triangles right-angled triangle secant Show sides and angles sin² solid angle solution Solve ABC sphere spherical angle spherical degree spherical excess spherical polygon spherical triangle spherical trigonometry subtended surface tables tan² tangent terminal line three angles tower triangle ABC trigono trigonometric functions trigonometric ratios π π
Popular passages
Page 52 - A sin B sin C Cosine Law: cos a = cos b cos c + sin b sin c cos A cos b = cos c cos a + sin c sin a cos B cos c = cos a cos b...
Page 42 - I. The sine of the middle part is equal to the product of the tangents of the adjacent parts.
Page 108 - The sum of the angles of a spherical triangle is greater than two and less than six right angles ; that is, greater than 180° and less than 540°. (gr). If A'B'C' is the polar triangle of ABC...
Page 74 - The area of the surface of a sphere is four times the area of a great circle.
Page 108 - In any triangle the square of any side is equal to the sum of the squares of the other two sides minus twice the product of these two sides and the cosine of their included angle.
Page 72 - The lateral area of a frustum of a cone of revolution is equal to one-half the sum of the circumferences of its bases multiplied by its slant height. Hyp. S is the lateral area, C and C...
Page 62 - Geometry that the area of a triangle is equal to one-half the product of the base by the altitude. Therefore, if a and b denote the legs of a right triangle, and F the area, F THE RIGHT TRIANGLE.
Page 128 - It follows that the ratio of the circumference of a circle to its diameter is the same for all circles.
Page 200 - Show that the area of a regular polygon inscribed in a circle is a mean proportional between the areas of an inscribed and circumscribing polygon of half the number of sides.
Page 202 - Find the area of a regular polygon of n sides inscribed in a circle, and show, by increasing the number of sides of the polygon without limit, how the expression for the area of the circle may be obtained. 13. (a) Find the distance at which a building 50 ft. wide will subtend an angle of 3'. (6) A church spire 45 ft. high subtends an angle of 9