Mathematics Describing the Real World: Precalculus and Trigonometry Season 1 Episode 13 Trigonometric Functions - Right Triangle Definition
- TV-PG
- June 17, 2011
- 31 min
Mathematics Describing the Real World is an educational show exploring the practical applications of mathematics in our everyday lives. In season 1, episode 13, titled "Trigonometric Functions - Right Triangle Definition," the focus is on the basics of trigonometry, specifically the right triangle definition of trigonometric functions.
Viewers will learn about the three primary trigonometric functions: sine, cosine, and tangent. These functions are used to relate the angles of a right triangle to its sides, which makes them incredibly useful in fields like engineering, physics, and surveying.
The episode begins with an overview of right triangles and how they can be used to model real-world situations. It then moves on to explain the concept of trigonometric ratios, which are simply fractions that compare the sides of a right triangle. For example, the sine of an angle in a right triangle is equal to the length of the side opposite that angle divided by the length of the hypotenuse (the longest side of the triangle).
To help viewers visualize these concepts, the episode features a range of examples and diagrams. These include examples of how trigonometry can be used to determine the height of a building, the distance between two ships at sea, and the flight path of an airplane.
Throughout the episode, viewers will also learn about some of the key properties of trigonometric functions, such as their periodicity (they repeat themselves after a certain interval) and their range (the set of all possible values that a function can take).
The practical nature of the episode means that viewers won't just be learning abstract theory; they'll be seeing how these concepts can be applied in real-world scenarios. This makes it an excellent resource for anyone looking to deepen their understanding of trigonometry, whether for academic or professional purposes.
By the end of the episode, viewers will have a solid grasp of the right triangle definition of trigonometric functions and a better appreciation for how mathematics can help us make sense of the world around us.