## Plane Trigonometry with Tables |

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### Common terms and phrases

acute angle amplitude angle base called characteristic circle colog column computations Construct corresponding cos² cosh cosine decimal definition determined direction distance divide Draw equal equation Example EXERCISES Express figures Find the value formulas four functions given gives greater horizontal increase interpolating length less log cos log cot log sin logarithm Mant mantissa means measured miles minutes multiples natural negative opposite origin places plane Plot positive Prop Prove quadrant radians radius relations represented respectively root rule segment shown side sin ß sin² sine sinh Solution Solve square Substituting subtract tabular difference taken tan² tangent terminal side theorem third triangle trigonometric functions unit values

### Popular passages

Page 2 - Every circumference of a. circle, whether the circle be large or small, is supposed to be divided into 360 equal parts called degrees. Each degree is divided into 60 equal parts called minutes, and each minute into 60 equal parts called seconds.

Page 139 - The cube root of a number is one of the three equal factors of the number. Thus the cube...

Page 101 - CASE II. Given two sides and an angle opposite one of them. CASE III.

Page 13 - 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.

Page 101 - In any triangle the sides are proportional to the sines of the opposite angles.

Page ii - Electrical World The Engineering andMining Journal Engineering Record Engineering News Railway Age Gazette American Machinist Signal Engineer American Engineer Electric Railway Journal Coal Age Metallurgical and Chemical Engineering Power ANALYSIS BY EDWARD G.

Page 4 - In it the right angle is divided into 100 equal parts called grades, the grade into 100 equal parts called minutes, and the minute into 100 equal parts called seconds.

Page 110 - 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.

Page 14 - The logarithm of the reciprocal of a number is called the Cologarithm of the number.

Page 4 - The logarithm of any power of a number is equal to the logarithm of the number multiplied by the exponent of the power.