Video duration: 568 seconds
Global video hits: 3294
Rational trigonometry is applied to solve four examples of practical problems, concerning a flagpole, a ladder, a kite and the distance from a point to a line.
Video duration: 588 seconds
Global video hits: 2087
We derive from first principles the main laws of rational trigonometry, using the concepts of quadrance and spread to replace the usual distance and angle. Most everything works out much simpler.
Video duration: 516 seconds
Global video hits: 1012
We derive some of the most fundamental facts about a circle using rational trigonometry---the Subtended spread theorems and the Equal products theorem.
Video duration: 600 seconds
Global video hits: 467
An introduction to finite fields, based on first understanding rational numbers. This will be the basis of extending geometry and trigonometry to the finite setting.
Video duration: 151 seconds
Global video hits: 840
Have you heard of SOHCAHTOA? It's a helpful tip to remembering trigonomic functions! Watch and learn... sine, cosine, tangent, cosecant, secant, and cotangent... the ratios of different sides of a triangle with respect to an angle.
Video duration: 439 seconds
Global video hits: 332
This is a quiz on Rational Trigonometry, with seven interesting and challenging questions. You can also try to solve them using classical trigonometry---but remember: only correct answers are allowed.
http://www.web-virtu al-tutor.com/math.ht ml This video explains how to find the sides and angles of a right triangle using the SIN, COS and TAN functions. It also explains how to use the Pythagorean theorem to find the missing sides of a triangle.
Video duration: 759 seconds
Global video hits: 10470
by Machine Enema
Jungle Trigonometry 3 follows the same format as JT2, however, there is a much larger concentration of shorter skits. We delve into many different areas and poke fun at many different things.
Video duration: 454 seconds
Global video hits: 558
Math signs and concepts are taught by Chris Kurz, a college math instructor, who is Deaf.
Produced by Western Region Outreach Center and Consortia Utah Outreach Site at Robert G. Sanderson Community Center of the Deaf and Hard of Hearing as a community project and partnership with Utah Interpreter Program and Utah Schools for the Deaf and the Blind.
2003
Video duration: 208 seconds
Global video hits: 8832
Access full lesson containing this video at: http://www.yourteach er.com/geometry/angl eofelevation.php Students solve word problems using sine, cosine, and tangent. The terms angle of elevation and angle of depression are also introduced in this lesson.
Video duration: 213 seconds
Global video hits: 14843
Access full lesson containing this video at: http://www.yourteach er.com/geometry/sinc ostan.php Students learn to find the missing side lengths and the missing angle measures in right triangles using sine, cosine, and tangent. Note that a scientific or graphing calculator is required for the problems in this lesson.
