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高一数学（人教B版）-两角和与差的正弦、正切（第二课时）

视频地址：https://video.cache.bdschool.cn/vd/2e2e640ca8caf2b4d7c6b8ab62918619.mp4
附件：0527高一数学（人教B版)两角和与差的正弦、正切（第二课时）-1教案.docx
附件：0527高一数学（人教B版)两角和与差的正弦、正切（第二课时）-2PPT.pptx
附件：0527高一数学（人教B版)两角和与差的正弦、正切（第二课时）-3学习任务单.docx

14 views Jul 15, 2021

高一数学（人教B版）-两角和与差的正弦、正切（第一课时）高一数学(人教B版)诱导公式（第一课时）

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