2023年9月の記事一覧
September 20, 2023: Studying Maths (22), Sine and Cosine Rules and Vectors （数学の勉強（22）、サインとコサインの法則、ベクトル）
I, alone, did sine and cosine rules, 3D trigonometry, and vectors. I enjoyed them very much, though they were as difficult as I expected.
I learnt how important it is to start with the right approach
September 9, 2023: Studying Maths (21), Phytagoras’ Theorem（数学の勉強 (21)、ピタゴラスの定理）
I worked on Phytagoras’ theorem and trigonometry. It was the biggest challenge and hurdle for me since I began to do the textbook. But I could do them much better than I had expected. I will do more o
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September 1, Studying Maths (20), Time, Speed and Density（数学の勉強 (20)、時間、速度と濃度）
I did time, speed, density and pressure. I also did distance-time graphs. It was one of the easiest parts I have done ever. This is the end of Geometry and Measures. I have finished two thirds of the
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