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F2 數學 11.8: 三角恆等式:tanX=sinX/cosX, sin²X+cos²X=1
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M2_11_Trigon_9Identity_tanX=sinX/cosX_sin²X+cos²X=1
By: t0605, Views: 1544
Chemistry tutorial-Ch12-5-Reactions of metals with dilute hydrochloric acid and dilute sulphuric acid
Chemistry tutorial-Ch14-3-Role of water in exhibiting characteristics properties of acids
By: t0605, Views: 1392
Chemistry tutorial-Ch14-3-Role of water in exhibiting characteristics properties of acids
Chemistry tutorial-Ch14-4-Basicity of acid
By: t0605, Views: 1260
Chemistry tutorial-Ch14-4-Basicity of acid
YU CHUN KEUNG MEMORIAL COLLEGE