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제목8th LS(210818) Pythagorean Identity (PDF 192)2021-08-18 21:14:43
작성자 Level 10

https://youtu.be/0dmeUHN1rtI 

이전7th LS(210810) Ch7 Unit Circle and Radian (PDF 174) Level 102021-08-10
-8th LS(210818) Pythagorean Identity (PDF 192) Level 102021-08-18
다음9th LS(210821) Trigonometry Function Graph (PDF 211) Level 102021-08-21