[中學]請問一題三角函數求最小值問題
設0<θ<π/2
求2/sinθ+3/cosθ的最小值?
我知道這一題用算幾不等式是錯誤的方法
但要怎麼做才能解出來呢?
謝謝!
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02/03 11:38, , 1F
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02/03 12:03, , 2F
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