|
|
This Lesson (MOVIE (FLASH) Geometry Trigonometric Ratios) was created by by nutshellmath(0)    : View Source, ShowAbout nutshellmath: We provide great video lessons based on popular school textbooks.
This movie lesson reminds you the definition of trigonometric functions sines, cosines and tangent as ratios of the right triangles sides. An example is presented of calculation these functions for the right triangle with the given lengths of its legs and the hypotenuse.
This multimedia lesson is provided by NutshellMath, where hundreds of lessons, solutions and tips are provided for the most popular math textbooks used in the US. All lessons are based on Flash technology -- like a movie -- with Voice and Handwriting explanations designed to help middle school and high school math students. Interactive, voice over lessons keep attention focused on math. They have a free trial period -- you do not have to pay anything at start. If you decide to subscribe, the small monthly fee after the free trial ($9.95) is well worth the regained sanity. Proven to improve grades.
|
