[Precalculus] Introduction to Precalculus | Concept & Problems

#precalculus

Welcome to Eunseong's introductory video about Precalculus. Eunseong Evan Kim is a student attending Yu-Jen Senior High School in Taiwan.

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'We Learn to Share' was founded by a 10th grader in South Korea named Elena (Korean name: Seungeun Lee) in 2021 because she realized a love for sharing what she had learned in school. Starting from 2022, 'We Learn to Share' has become the first and only international high school student-led organization in the entire world dedicated to educational volunteer activities. Elena has invited highschool students from different countries and schools all over the world (+ 45 schools from +15 countries) to this channel. Just watch and lea