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!

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Rohit Malav and other top educators are teaching live on Unacademy Plus. Use code “ROHIT10” to get 10% off on your Unacademy Plus Subscription. Subscribe today – https://unacademy.com/plus/goal/YOTUH Watch the full Playlist – https://www.youtube.com/playlist?list=PLyjWMictIvv3-xfdGfwZAZoULmSSInUlH Plus Course Link: https://unacademy.com/plus/course/ascend-for-class-12-neetaiims-2020/JA1V0Z3X This lesson starts with a discussion on Relative Motion in 1D Part – 1. It is a…

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A shortcut for having to evaluate the cross product of three vectors Watch the next lesson: https://www.khanacademy.org/math/linear-algebra/vectors_and_spaces/dot_cross_products/v/normal-vector-from-plane-equation?utm_source=YT&utm_medium=Desc&utm_campaign=LinearAlgebra Missed the previous lesson? https://www.khanacademy.org/math/linear-algebra/vectors_and_spaces/dot_cross_products/v/dot-and-cross-product-comparison-intuition?utm_source=YT&utm_medium=Desc&utm_campaign=LinearAlgebra Linear Algebra on Khan Academy: Have you ever wondered what the difference is between speed and velocity? Ever try to visualize in four dimensions or six or seven? Linear algebra describes things in…

Using a change of basis matrix to get us from one coordinate system to another. Watch the next lesson: https://www.khanacademy.org/math/linear-algebra/alternate_bases/change_of_basis/v/lin-alg-invertible-change-of-basis-matrix?utm_source=YT&utm_medium=Desc&utm_campaign=LinearAlgebra Missed the previous lesson? https://www.khanacademy.org/math/linear-algebra/alternate_bases/change_of_basis/v/linear-algebra-coordinates-with-respect-to-a-basis?utm_source=YT&utm_medium=Desc&utm_campaign=LinearAlgebra Linear Algebra on Khan Academy: Have you ever wondered what the difference is between speed and velocity? Ever try to visualize in four dimensions or six or seven? Linear algebra…