Trigonometry for Beginners
Trigonometry for Beginners
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In our eReader you can find the full English version of the book. Read Trigonometry for Beginners 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 Trigonometry for Beginners
What reading level is Trigonometry for Beginners book?
To quickly assess the difficulty of the text, read a short excerpt:
log x = log (^C • sin 4° 19') = log 6118.2 H- log sin 4° 19' - 10 = 3.70911 H- 8.87661 = 2.68573 = log 386.24.
.-. a; = 385ft. 3 in. nearly.
EXAMPLES. XL.
(Examples VII. consist of Easy Examples on this Subject.) 1. Two straight roads, inclined to one another at an angle of 60°, lead from a town A to two villages B and (7 ; B on one road distant 30 miles from Ay and C on the other road distant 15 miles from A, Find the distance from B to C Ans. 25.98 m.
2. Two ships leave harbor together, one s...ailing N.E. at the rate of 7 J miles an hour, and the other sailing north at the rate of 10 miles an hour. Prove that the distance between the ships after an hour and a half is 10.6 miles.
3. A and B are two consecutive milestones on a straight road, and C is a distant spire. The angles ABC and BAC are observed to be 120° and 45° re- spectively. Show that the distance of the spire from A is 3.346 miles.
4. If the spire C in the last question stands on a hill, and its angle of elevation at A is 15°, show that it is .896 of a mile higher than A, 6.
What to read after Trigonometry for Beginners?
You can find similar books in the "Read Also" column, or choose other free books by J B John Bascombe Lock to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
log x = log (^C • sin 4° 19') = log 6118.2 H- log sin 4° 19' - 10 = 3.70911 H- 8.87661 = 2.68573 = log 386.24.
.-. a; = 385ft. 3 in. nearly.
EXAMPLES. XL.
(Examples VII. consist of Easy Examples on this Subject.) 1. Two straight roads, inclined to one another at an angle of 60°, lead from a town A to two villages B and (7 ; B on one road distant 30 miles from Ay and C on the other road distant 15 miles from A, Find the distance from B to C Ans. 25.98 m.
2. Two ships leave harbor together, one s...ailing N.E. at the rate of 7 J miles an hour, and the other sailing north at the rate of 10 miles an hour. Prove that the distance between the ships after an hour and a half is 10.6 miles.
3. A and B are two consecutive milestones on a straight road, and C is a distant spire. The angles ABC and BAC are observed to be 120° and 45° re- spectively. Show that the distance of the spire from A is 3.346 miles.
4. If the spire C in the last question stands on a hill, and its angle of elevation at A is 15°, show that it is .896 of a mile higher than A, 6.
What to read after Trigonometry for Beginners?
You can find similar books in the "Read Also" column, or choose other free books by J B John Bascombe Lock to read onlineMoreLess
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