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Geometry: Plane Trigonometry. Chain Surveying. Compass Surveying. Transit ...
International Correspondence Schools
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A B C adjacent angles altitude angle whose logarithmic Applying formula azimuth base chains chord circle circumference column marked log compass Cosine Sine Cosine determined diameter distance divided equation equiangular polygon EXAMPLES FOR PRACTICE exterior angle feet Find the angle Find the logarithmic formula of Art frustum given logarithm Hence horizontally opposite hypotenuse inches inscribed angle isosceles isosceles triangle latitude range length log cot logarithmic cotangent logarithmic functions logarithmic sine logarithmic tangent longitude range magnetic bearing measured meridian needle number of degrees number of seconds parallel perpendicular position prismoid radius regular polygon right angle right triangle side adjacent side opposite Sine Cosine Sine slant height Solution.—The square subtracted survey tabular difference telescope TRANSIT SURVEYING trapezoid triangle ABC triangles are equal trigonometric trigonometric functions vernier vertex vertical volume whence
PÓgina 53 - A sphere is a solid bounded by a curved surface, every point of which is equally distant from a point within called the center.
PÓgina 27 - The straight line joining the middle points of two sides of a triangle is parallel to the third side, and equal to half of it.
PÓgina 20 - In any triangle, the square of the side opposite an acute angle is equal to the sum of the squares of the other two sides, minus twice the product of one of these sides and the projection of the other side upon it.
PÓgina 20 - The sum of any two sides of a triangle is to their difference, as the tangent of half the sum of the angles opposite to those sides, to the tangent of half their difference.
PÓgina 26 - ... towards the end of the table which increase by 10 units at a time, all interpolation is avoided, as with a glance at the table we can at once take out the required S or T. TABLE III. This table contains for every ten seconds of the quadrant the logarithms of the sines, cosines, tangents, and cotangents.
PÓgina 21 - If two triangles have two sides of the one equal to two sides of the other...
PÓgina 9 - ... in a direction opposite to that in which the hands of a clock move, and...
PÓgina 19 - In a series of equal ratios, the sum of the antecedents is to the sum of the consequents as any antecedent is to its consequent.