Plane TrigonometryLeach, Shewell, & Sanborn, 1887 - 103 pàgines |
Altres edicions - Mostra-ho tot
Plane Trigonometry Henry Wadsworth Longfellow,Webster Wells,Samuel Longfellow Previsualització no disponible - 2016 |
Frases i termes més freqüents
abscissa ACUTE ANGLE AD² angle corresponding angle whose log angles between 45 CD² circular measure colog cologarithm column headed cos(x+y cos² cosecant cosine or cotangent cot² cotangents of angles decimal point degrees and minutes denote distance equal EXAMPLES figure Art Find log find the angle find the log FIND THE LOGARITHMIC FIND THE NUMBER find the values following triangles formulæ Geometry Given two sides Hence hypotenuse included angle log cos log cot log csc log sin log tan log tangent logarithmic cosine Multiply natural tangents Note VII Number corresponding number whose logarithm oblique triangles opposite angle ordinate perpendicular positive produce an increase radius result right triangle secant sin B sin sin² sines and cosines solution table of natural table the mantissa tabular difference tan² terminal line three figures trigonometric functions Trigonometry x cos y ос ос
Passatges populars
Pàgina 75 - 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.
Pàgina 45 - A sin B sin (A — B) = sin A cos B — cos A sin B cos (A + B) = cos A cos B...
Pàgina 92 - ACB are measured, and found to be 126° 35' and 31° 48', respectively. Required the distance AB. 1. A flagpole 40 feet in height stands on the top of a tower. From a position near the base of the tower, the angles of elevation of the top and bottom of the pole are 38° 53
Pàgina 74 - In every plane triangle, the sum of two sides is to their difference as the tangent of half the sum of the angles opposite those sides is to the tangent of half their difference.
Pàgina 55 - ... the logarithm of a fraction is equal to the logarithm of the numerator minus the logarithm of the denominator.
Pàgina 48 - ... 77. By aid of the principles of Art. 76, any relation involving direct functions may be transformed into one involving inverse functions. Take for example the formula sin (x + y) = sin x cos у + cos x sin y. (A) Let sin x = a, and sin y = b. Then by Art. 76, x = sin-1 a, and у = sin-1 b.
Pàgina 92 - ... miles an hour. How far apart are they at the end of 10i hours ? 17.
Pàgina 56 - ... the logarithm of any power of a quantity is equal to the logarithm of the quantity multiplied by the exponent of the power. Assume the equation a