Search Images Maps Play YouTube News Gmail Drive More »
Sign in
Books Books
" ... b) = sec b, cosec ( — b) = — cosec b ; (53) that is, the cosine and secant of the negative of an angle are the same as those of the angle itself ; and the sine, tangent, cotangent, and cosecant of the negative of an angle are the negatives of... "
An Analytical Treatise on Plane and Spherical Trigonometry, and the Analysis ... - Page 72
by Dionysius Lardner - 1828 - 317 pages
Full view - About this book

An Elementary Treatise on Plane & Spherical Trigonometry: With Their ...

Benjamin Peirce - Plane trigonometry - 1845 - 498 pages
...cotan. N (101) sec. (180° — N) = — sec. If (102) cosec. (180° — N) = cosec. N ; (103) that is. the sine and cosecant of the supplement of an angle are the same with those of the angle itself and the cosine, tangent, cotangent, and secant of the supplement are...
Full view - About this book

An Elementary Treatise on Plane & Spherical Trigonometry: With Their ...

Benjamin Peirce - Plane trigonometry - 1845 - 498 pages
...cotan. N (101) sec. (180° —N) = — sec. N (102) cosec. (180° — N) = cosec. JV; (103) that is. the sine and cosecant of the supplement of an angle are the same with those of the angle itself and the cosine, tangent, cotangent, and secant of the supplement are...
Full view - About this book

A Treatise on Plane and Spherical Trigonometry

William Chauvenet - 1852 - 268 pages
...— cot y (65) sec (180° —y) = — secy cosec (180° — y) = cosec y (66) or, the sin. and cosec. of the supplement of an angle are the same as those of the angle itself ; and the cos., tan., cot., and sec. are the negative of those of the angle itself. 40. If y is acute (that is,...
Full view - About this book

An Elementary Treatise on Plane and Spherical Trigonometry: With Their ...

Benjamin Peirce - Plane trigonometry - 1861 - 394 pages
...sec. IV (102) 4 ' — cos. N ' cosec. (180° — IV) = -^~,T = cosec. IV; (103) sin. IV that is, iJie sine and cosecant of the supplement of an angle are the same with those of the angle itself ; and the cosine, tangent, cotangent, and secant of the supplement are...
Full view - About this book

Elements of Plane and Spherical Trigonometry: With Practical Applications

Benjamin Greenleaf - Geometry - 1862 - 532 pages
...— b) = sec b, cosec ( — b) = — cosec b ; (53) that is, the cosine and secant of the negative of an angle are the same as those of the angle itself; and the sine, tangent, cotangent, and cosecant of the negative of an angle are the negatives of those of the...
Full view - About this book

Elements of Geometry and Trigonometry: With Practical Applications

Benjamin Greenleaf - Geometry - 1862 - 518 pages
...— 6) = sec b, cosec ( — b) = — cosec b ; (53) that is, the cosine and secant of the negative of an angle are the same as those of the angle itself; and the sine, tangent, cotangent, and cosecant of the negative of an angle are the negatives of those of the...
Full view - About this book

Elements of Geometry: With Practical Applications to Mensuration

Benjamin Greenleaf - Geometry - 1863 - 504 pages
...— b) = sec b, cosec ( — b) = — cosec b ; (53) that is, the cosine and secant of the negative of an angle are the same as those of the angle itself ; and the sine, tangent, cotangent, and cosecant of the negative of an angle are the negatives of those of the...
Full view - About this book

Elements of Plane Trigonometry: And Their Application to the Measurement of ...

William Frothingham Bradbury - Plane trigonometry - 1864 - 324 pages
...(180° — B) = — cot. B, sec. (180° — B) = — sec. B, cosec. (180° — B) = cosec. B. That is, the sine and cosecant of the supplement of an angle...itself; and the cosine, tangent, cotangent, and secant are the negative of those of the angle. 66. For angles which exceed 180°. In (15) and (16) make A...
Full view - About this book

Elements of Geometry and Trigonometry: With Practical Applications

Benjamin Greenleaf - 1869 - 516 pages
...(48) sec (180° — 6) = -1-j = —sec 6, (49) cosec (180°— 6) = -jiy- = cosec 6; (50) that is, <Ae sine and cosecant of the supplement of an angle are...itself; and the cosine, tangent, cotangent, and secant are the negatives of those of the angle. 78. It follows from the preceding article, that the'sine and...
Full view - About this book

An Elementary Geometry and Trigonometry

William Frothingham Bradbury - Geometry - 1873 - 288 pages
...cos. B whence by (5) and (9) tan. (180° — B)= — tan. B cot. (180° — B) = — cot. B That is, the sine and cosecant of the supplement of an angle...itself ; and the cosine, tangent, cotangent, and secant are the negative of those of the angle. 81 « For angles which exceed 180°. In (13) and (18) make...
Full view - About this book




  1. My library
  2. Help
  3. Advanced Book Search
  4. Download EPUB
  5. Download PDF