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angle less angle of depression angle of elevation angle opposite angles ABC celestial celestial equator circle circular measure colog common logarithm comp cos2 cosc cosecant cosh cosine cosj cosjr cosx cosy cotangent Cotg decimal ecliptic equal equator Find the angle find the area Find the distance Find the height Find the length FIVE-PLACE formulas FOUR-PLACE Given hyperbolic functions hypotenuse included angle initial line L.Sin L.Tang latitude less than 900 light-house log cot log sin 28 LOGARITHMS OF NUMBERS longitude mantissa miles negative oblique triangle obtain perpendicular plane polar triangle positive Prove pseudo-spherical radians regular polygon Required the remaining right angle right ascension right triangle roots of unity secant sin2 sine and cosine sinh sinjr sinx siny solution sphere spherical triangle ABC spherical trigonometry subtends an angle TABLE Tang terminal line tower TRIGONOMETRIC FUNCTIONS yards
Σελίδα 95 - I. The sine of the middle part is equal to the product of the tangents of the adjacent parts.
Σελίδα 143 - To Divide One Number by Another, Subtract the logarithm of the divisor from the logarithm of the dividend, and obtain the antilogarithm of the difference.
Σελίδα 17 - The sine of an angle is equal to the sine of its supplement. The sine rule Consider fig.
Σελίδα 144 - Root of a Number: Divide the logarithm of the number by the index of the root ; the quotient is the logarithm of the required root of the number.
Σελίδα 53 - If 2 men start from the same place and travel in opposite directions, one at the rate of 4 miles an hour, and the other at the rate of 5 miles an hour, how far apart will they be at the end of 1 hour ? At the end of 2 hours ? 5 hours?
Σελίδα 145 - Hence, all numbers that differ only in the position of the decimal point have the same significant part. For example, .002103...
Σελίδα 64 - The logarithm of any power of a number is equal to the logarithm of the number multiplied by the exponent of the power.
Σελίδα 64 - The logarithm of the product of two numbers is equal to the sum of the logarithms of the numbers.
Σελίδα 51 - BCA were measured and found to be 322.55 yd., 60° 34', and 56° 10' respectively. Find the distance AB. 10. A balloon is directly over a straight level road, and between two points on the road from which it is observed. The points are 15847 ft. apart, and the angles of elevation are found to be 49° 12' and 53° 29