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Curated by: Mathemaniac (96 videos)
Previous video: https://youtu.be/8I5hbthISt8 The idea for this video came up suddenly while writing the script for the previous video. A trigonoemtric identity can be derived using algebra or geometric methods, and you can see which one you like in this video! The content is extracted from Trigonometric Delights by Eli Maor, which is an incredible book for recreational Mathematics. Other than commenting on the video, you are very welcome to fill in a Google form linked below, which helps me make better videos by catering for your math levels: https://forms.gle/QJ29hocF9uQAyZyH6 If you want to know more interesting Mathematics, stay tuned for the next video! SUBSCRIBE and see you in the next video! #mathemaniac #math #trigonometry #battle #algebravsgeometry #algebra #geometry