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TABLE II.— Trigonometric functions for every degree from 0° to 90°

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TABLE III.—Common logarithms of trigonometric functions for every degree from

0° to 90°

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9. 6259
9. 6418
9. 6570
9. 6716
9. 6856

9. 6687
9. 6882
9. 7072
9. 7257
9. 7438

3313 . 3118 . 2928 . 2743 . 2562

9. 9573
9. 9537
9. 9499
9. 9459
9. 9418

65° 64° 63° 62° 61°

29°

60°

59°

30°
31°
32°
33°
34°

9. 6990
9. 7118
9. 7242
9. 7361
9. 7476

9. 7614
9. 7788
9. 7958
9. 8125
9. 8290

. 2386
. 2212
. 2042
. 1875
. 1710

9. 9375
9. 9331
9. 9284
9. 9236
9. 9186

58° 57° 56°

35°
36°
37°
38°

9. 7586
9. 7692
9. 7795
9. 7893
9. 7989

9. 8452
9. 8613
9. 8771
9. 8928
9. 9084

. 1548
. 1387
. 1229
. 1072
. 0916

9. 9134
9. 9080
9. 9023
9. 8965
9. 8905

55° 54° 53° 52° 51°

39°

. 0762
. 0608

40°
41°
42°
43°
44°

9. 8081
9. 8169
9. 8255
9. 8338
9. 8418

9. 9238
9. 9392
9. 9544
9. 9697
9. 9848

0456

9. 8843
9. 8778
9. 8711
9. 8641
9. 8569

50°
49°
48°
47°
46°

. 0303

. 0152

45°

9. 8495

. 0000

. 0000

9. 8495

45°

log Cosine

log Cotangent log Tangent

log Sine

Angle

NOTE: Log sec x=log cos I,

log csc x=-log sin x.

INDEX

Page

Paragraph
54a (5)

88

[blocks in formation]

Acute triangle----
Addition:

Of angles, graphic..
Of fractions...
Of numbers_-
Of polynomials.

Of positive and negative numbers--
Air navigation system of measuring directions.
Air speed:

Calibrated.--
Definition.-
Meter, calibration graph..

Vector,
Algebra: ---

Addition of polynomials.
Division of polynomials-
Evaluation of algebraic expressions.
Multiplication of polynomials.
Subtraction of polynomials --
Symbols.---

Word problems.--
Angle, angles:

Addition of, graphic-
Bisecting of.---
Central..
Classification of.
Complementary
Construction of
Copying of.--
Corresponding -
Definition of...
Laying off with protractor.
Obtuse spherical
Spherical..

Units of measurement--
Arc:

Circle determined by--
Major
Minor..

On sphere--
Area:

Of circle.

Of triangle----
Astronomical triangles, solution of..
Axes and points.
Axiom...
Bisecting an angle. -

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[blocks in formation]

Calibrated air speed.
Centigrade scale.-
Central angle.
Circle:

Area.
Circumference.
Constructions -
Definition.-
Definition of functions of
Great..
Properties of, special.

Small...
Circular functions.
Circumference --
Common denominator_
Complementary angles -
Computer E-6B.
Concentric circles.
Cone.--
Congruent triangles --
Constructing triangle when:

Three sides are known..
Two angles and included side are known..

Two sides and included angle are known..
Constructions with rule and compass.
Conversion factors...
Corollary-
Cosecant.
Cosine.
Cotangent
Course.
Cylinder -
Decimal fractions.--
Decimal point-
Definitions of:

Circular functions..
Earth's landmarks.
Logarithmic terms..
Plane geometric functions -
Quadrilateral ---
Solid geometric functions.--
Spherical geometric functions-
Spherical triangle----

Trigonometric functions
Dividend.
Division.

Fractions.
Long division
Polynomials.

[blocks in formation]

79
90
98
103
138
109
9, 11

9
23
10
38
9
9

12a

Short division...
Divisor.

7c
236
76
7a

Paragraph Page
Drift.-

39c

65
Drift angle

39c, e; 45a (2) (f) 65, 66, 73
Ellipse..

58a

97
Equal parts, dividing line into...

53m

87
Equations, algebraic.

25

40
Axioms in solving-

25a

40
Formation of.---

8e

16
Graphic solutions of equations containing two unknowns.. 36

60
Graphing from equations

356

57
Equator.---

62a (1)

105
Equilateral triangle..

54a (3)

88
Construction of.

53h

84
Exercises:
Addition..

4d

4
Air navigation.

40a, b

66

(37,38,39,
Algebra.
22b, c; 23c, d; 246, 25d, e; 260; 27 39, 39, 41,

(41, 46, 47
Astronomical triangle.--.

94

148
Division.---

17d

30
Equations, numerical.

22

37

151,152,
E-6B computer.

h

159, 162

16, 18, 20,
Fractions..

8d, f; 9d; 10d; 11c; 12c

21, 23, 24
Fundamental numerical operations-

19

33
Graphs-:--

350, 360, 36f 59, 61, 62

| 125,130,
Logarithms---

76, 77, 81, 83

133
Longitude

62b (2)

106
Multiplication.

69, h; 176 8, 9, 30
Plane geometry -

(88,90,92
530, 540, 550, 560, 576

94, 97

57,115,
Plane trigonometry ----

356, 680, 71

120
Positive and negative numbers.

166; 17b, d 29, 30, 30
Proportion

13a

24
Scales.

29c, 31 48, 49
Solid geometry

59e

102
Spherical geometry -

89, 92 142, 144
Spherical trigonometry

61h (4)

105
Subtraction..

5e

6
Time differences.

52c

80

70, 71,
Triangle of velocity

44a, 45, 46, 47

73, 76
Vectors

43d

69
Extraction of roots by logarithms.

81

130
Factors

6
Rounding off

7
Fahrenheit scale..

25e (4)

42
Figures, miscellaneous, properties of -

58

97

6a

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