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STEP 2 – 第1講 三角方程式（試看）
影片時長
50 分鐘
建議學時
8-10 小時
語言
Chinese
學習目標
be able to solve trigonometric equations
be able to solve trigonometric inequalities
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STEP核心 – 第1講 邏輯推理（試看）
STEP 2 – 第1講 三角方程式（試看）
STEP 3 – 第1講 複數（二）（試看）
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