Plane trigonometry, by S.L. Loney.

ii

TRIGONOMETRY.

7. 2331g. 8. 2000g.
1 703 12 3
11.. 12.
-720 13
14. 10 15.
10' 20
17. 81~; 9~.
19. 132~ 15'12-6".
1 wr 2wr 1
21. and — radi
2' 3' 3 2
22. (1) 3; 108~.
(3); 135~. (4) 5

7r 221
9. 10. r.
3' 360.
557 79;5007r. 13. 79 7r.
500 36.
03
0 7r. 16. 1-7262687r.
)00
18. 24~, 60~, and 96~.
20. 30~, 60~, and 90~.
ians.
(2) 7; 128~.
7' 7.

-; 150~. (5); 15 8 1.
() 17') F

23.
26.

8 and 4.

24. 10 and 8.

25. 6 and 8.

5727. (1) 75
27. (1) -= 75 =83,;
12 B~~~

(2) 77
(2) =f 700 = 7779;
18 v

(3) =1120~=125g.
8

IV. (Pages 17, 18.)
[Take w=3'14159... and =1 31831.]
1. 20 -0. 2. 3 radian; 34~ 22'38-9".
I T5,3. 68-75 inches nearly. 4. -05236 inch near
5. 24-555 inches nearly. 6. 1~ 25'57" nearly.
7. 3959-8 miles nearly. 8. 7 ft. = 3-14159 ft
9. 5: 4. 10. 3-1416.
47r 97r 147r 197wr 247r
11. ), and radians.
1 35' 35' 35 ' 35 3'n radans5
12. 65~ 24' 30-6". 13. 2062-65 ft. nearly.
14. 1-5359 ft. nearly. 15. 26.26 ft. nearly.
16. 32142-9 ft. nearly. 17. 17188-7 ft. nearly.

ly.