Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now: khanacademy.org/math/geometry-home/right-triangles-topic/intro-to-the-trig-ratios-geo/v/basic-trigonometry
Introduction to trigonometry
Practice this lesson yourself on KhanAcademy.org right now:
khanacademy.org/math/trigonometry/basic-trigonometry/basic_trig_ratios/e/trigonometry_0.5?utm_source=YT&utm_medium=Desc&utm_campaign=Trigonometry
Watch the next lesson: khanacademy.org/math/trigonometry/basic-trigonometry/basic_trig_ratios/v/example-using-soh-cah-toa?utm_source=YT&utm_medium=Desc&utm_campaign=Trigonometry
Trigonometry on Khan Academy: Big, fancy word, right? Don't be fooled. Looking at the prefix, tri-, you could probably assume that trigonometry ("trig" as it's sometimes called) has something to do with triangles. You would be right! Trig is the study of the properties of triangles. Why is it important? It's used in measuring precise distances, particularly in industries like satellite systems and sciences like astronomy. It's not only space, however. Trig is present in architecture and music, too. Now you may wonder...how is knowing the measurement and properties of triangles relevant to music?? THAT is a great question. Maybe you'll learn the answer from us in these tutorials!
About Khan Academy: Khan Academy is a nonprofit with a mission to provide a free, world-class education for anyone, anywhere. We believe learners of all ages should have unlimited access to free educational content they can master at their own pace. We use intelligent software, deep data analytics and intuitive user interfaces to help students and teachers around the world. Our resources cover preschool through early college education, including math, biology, chemistry, physics, economics, finance, history, grammar and more. We offer free personalized SAT test prep in partnership with the test developer, the College Board. Khan Academy has been translated into dozens of languages, and 100 million people use our platform worldwide every year. For more information, visit khanacademy.org, join us on Facebook or follow us on Twitter at @khanacademy. And remember, you can learn anything.
For free. For everyone. Forever. #YouCanLearnAnything
Subscribe to Khan Academy’s Trigonometry channel:
youtube.com/channel/UCYQSs1lFJZKpyqNQQHYFGjw?sub_confirmation=1
Subscribe to Khan Academy: youtube.com/subscription_center?add_user=khanacademy
- Basic trigonometry | Basic trigonometry | Trigonometry | Khan Academy ( Download)
- Basic trigonometry II | Basic trigonometry | Trigonometry | Khan Academy ( Download)
- Example: Using soh cah toa | Basic trigonometry | Trigonometry | Khan Academy ( Download)
- Basic Trigonometry ( Download)
- Trigonometry For Beginners! ( Download)
- Introduction to the unit circle | Trigonometry | Khan Academy ( Download)
- Trigonometry review ( Download)
- Similarity to define sine, cosine, and tangent | Basic trigonometry | Trigonometry | Khan Academy ( Download)
- Value of trigonometric ratios #khanlearningacademy #trigonometry #mathematics ( Download)
- Example with trig functions and ratios | Basic trigonometry | Trigonometry | Khan Academy ( Download)
- Angle to aim to get alien | Basic trigonometry | Trigonometry | Khan Academy ( Download)
- Sine and cosine of complements example | Basic trigonometry | Trigonometry | Khan Academy ( Download)
- Trigonometry made easy ( Download)
- Example: Trig to solve the sides and angles of a right triangle | Trigonometry | Khan Academy ( Download)
- Trigonometric Identities ( Download)
