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銳角三角函數經典題型講解
銳角三角函數經典題型講解
更新时间:2024-10-05 10:19:04

sin²α cos²α=1.

tanα=sinα/cosα

這兩個關系是解決銳角三角函數之間數量關系的常用公式,具體示例看以下圖片

銳角三角函數經典題型講解(銳角三角函數之間的關系)1

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