Search Images Maps Play YouTube News Gmail Drive More »
Sign in
Books Books 11 - 20 of 59 on A cos B + sin A sin B, and show that, if the tangent of one angle of a triangle be....  
" A cos B + sin A sin B, and show that, if the tangent of one angle of a triangle be equal to the sum of the sines of the other two, the tangents of the halves of the angles will be in geometrical progression. 2. Find an expression for the area of a plane... "
Plane Trigonometry for the Use of Students Preparing for Examinations ... - Page 314
by A. Dawson Clarke - 1885 - 368 pages
Full view - About this book

The Elements of geometry; or, The first six books, with the eleventh and ...

Euclides - 1855
...4.—If one angle of a triangle be a right angle, the sum of the other two if a right angle. Cor. 5.—If one angle of a triangle be equal to the sum of the other two, it is a right angle. Cor. 6.—If one angle of a triangle be greater than the 8nm of the...
Full view - About this book

Cambridge examination papers: a suppl. to the University calendar, 1856-59

Cambridge univ, exam. papers - 1856
...equal to each other, the sides also which subtend the equal angles, shall be equal to each other. If one angle of a triangle be equal to the sum of the other two, the triangle can always be divided into two isosceles triangles. 2. The angles which one...
Full view - About this book

Spherical trigonometry

Isaac Todhunter - 1859
...universally true. EXAMPLES. 1. If A = a, shew that B and b are equal or supplemental, as also G and c. 2. If one angle of a triangle be equal to the sum of the other two, the greatest side is double of the distance of its middle point from the opposite angle....
Full view - About this book

Euclid's Elements of Geometry: Chiefly from the Text of Dr. Simson, with ...

Robert Potts - Geometry, Plane - 1860 - 361 pages
...having the angle A double the angle C; shew that the side BC is less than double the side AB. 32. If one angle of a triangle be equal to the sum of the other two, the greatest side is double of the distance of its middle point from the opposite angle....
Full view - About this book

Spherical Trigonometry: For the Use of Colleges and Schools

Isaac Todhunter - Spherical trigonometry - 1863 - 132 pages
...universally true. EXAMPLES. 1. If A =a, shew that B and b are equal or supplemental, as also C and c. 2. If one angle of a triangle be equal to the sum of the other two, the greatest side is double of the distance of its middle point from the opposite angle....
Full view - About this book

The school edition. Euclid's Elements of geometry, the first six books, by R ...

Euclides - 1864
...having the angle A double the angle C; shew that the side BC is less than double the side AB. 32. If one angle of a triangle be equal to the sum of the other two, the greatest side is double of the distance of its middle point from the opposite angle....
Full view - About this book

Euclid's Elements of geometry, the first two books, with explanatory notes ...

Euclides - History - 1864
...both AB and CD are on the same side of EF. Prop. xxxn. From this proposition, it is obvious that if one angle of a triangle be equal to the sum of the other two angles, that angle is a right angle, as is shewn in Euc. in. 31, and that each of the angles...
Full view - About this book

Euclid's Elements of geometry, the first four books, by R. Potts. Corrected ...

Euclides - 1864
...both AB and CD are on the same side of EF. Prop, xxxii. From this proposition, it is obvious that if one angle of a triangle be equal to the sum of the other two angles, that angle is a right angle, as is shewn in Euc. in. 31, and that each of the angles...
Full view - About this book

Mathematical exercises

Samuel H. Winter - 1864
...the sum of three angles in terms of the sines and cosines of the angles themselves. 5. Investigate an expression for the area of a plane triangle in terms of the sides. 6. Show how by observing the angular distances from one another of three distant objects,...
Full view - About this book

Euclid's Elements of geometry, the first book, with explanatory notes [&c ...

Euclides - History - 1864
...both AB and CD are on the same side of EF. Prop. xxxiz. From this proposition, it is obvious that if one angle of a triangle be equal to the sum of the other two angles, that angle is a right angle, as is shewn in Euc. in. 31, and that each of the angles...
Full view - About this book




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