A New System of Hand Railing Cut Square to the Plank Without the Aid of Fallin
A New System of Hand Railing Cut Square to the Plank Without the Aid of Fallin
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In our eReader you can find the full English version of the book. Read A New System of Hand Railing Cut Square to the Plank Without the Aid of Fallin Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book A New System of Hand Railing Cut Square to the Plank Without the Aid of Fallin
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To quickly assess the difficulty of the text, read a short excerpt:
1 6, the chord c d is the chord of the arc c e d.
If a straight line be drawn from the centre of a circle to meet the chord of an arc perpendicularly, as af y in Fig. 16, it will divide the chord into two equal parts, and if the straight line be produced 1 6 ( HAND- RAILING.
to meet the arc, it will also divide it into two equal parts, as cfjd.
Each half of the chord is catted the sine of the half-arc to which it is opposite; and the line drawn from the centre to meet the chord perpendicularly,... is called the co-sine of the half-arc. Con- sequently, the radius, the sine, and co-sine of an arc form a right angle.
40. Any line which cuts the circumference in two points, or a chord lengthened out so as to extend beyond the boundaries of the circle, such as g h in Fig. 17, is sometimes called a Secant. But, in trigonometry, the secant is a line drawn from the centre through one extremity of the arc, so as to meet the tangent which is drawn from the other extremity at right angles to the radius.
What to read after A New System of Hand Railing Cut Square to the Plank Without the Aid of Fallin?
You can find similar books in the "Read Also" column, or choose other free books by Fred T Frederick Thomas Hodgson to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
1 6, the chord c d is the chord of the arc c e d.
If a straight line be drawn from the centre of a circle to meet the chord of an arc perpendicularly, as af y in Fig. 16, it will divide the chord into two equal parts, and if the straight line be produced 1 6 ( HAND- RAILING.
to meet the arc, it will also divide it into two equal parts, as cfjd.
Each half of the chord is catted the sine of the half-arc to which it is opposite; and the line drawn from the centre to meet the chord perpendicularly,... is called the co-sine of the half-arc. Con- sequently, the radius, the sine, and co-sine of an arc form a right angle.
40. Any line which cuts the circumference in two points, or a chord lengthened out so as to extend beyond the boundaries of the circle, such as g h in Fig. 17, is sometimes called a Secant. But, in trigonometry, the secant is a line drawn from the centre through one extremity of the arc, so as to meet the tangent which is drawn from the other extremity at right angles to the radius.
What to read after A New System of Hand Railing Cut Square to the Plank Without the Aid of Fallin?
You can find similar books in the "Read Also" column, or choose other free books by Fred T Frederick Thomas Hodgson to read onlineMoreLess
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