学渣三角函数求学霸帮解(sina-3cosa)/(sina cosa)=(tana-3)/(tana 1)求其转换过程!详细点的(sina-3cosa)/(sina cosa)=(tana-3)/(tana 1)这个
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![学渣三角函数求学霸帮解(sina-3cosa)/(sina cosa)=(tana-3)/(tana 1)求其转换过程!详细点的(sina-3cosa)/(sina cosa)=(tana-3)/(tana 1)这个](/uploads/image/z/133173-45-3.jpg?t=%E5%AD%A6%E6%B8%A3%E4%B8%89%E8%A7%92%E5%87%BD%E6%95%B0%E6%B1%82%E5%AD%A6%E9%9C%B8%E5%B8%AE%E8%A7%A3%28sina-3cosa%29%2F%28sina+cosa%29%3D%28tana-3%29%2F%28tana+1%29%E6%B1%82%E5%85%B6%E8%BD%AC%E6%8D%A2%E8%BF%87%E7%A8%8B%21%E8%AF%A6%E7%BB%86%E7%82%B9%E7%9A%84%28sina-3cosa%29%2F%28sina+cosa%29%3D%28tana-3%29%2F%28tana+1%29%E8%BF%99%E4%B8%AA)
学渣三角函数求学霸帮解(sina-3cosa)/(sina cosa)=(tana-3)/(tana 1)求其转换过程!详细点的(sina-3cosa)/(sina cosa)=(tana-3)/(tana 1)这个
学渣三角函数求学霸帮解
(sina-3cosa)/(sina cosa)=(tana-3)/(tana 1)求其转换过程!详细点的
(sina-3cosa)/(sina cosa)=(tana-3)/(tana 1)这个
学渣三角函数求学霸帮解(sina-3cosa)/(sina cosa)=(tana-3)/(tana 1)求其转换过程!详细点的(sina-3cosa)/(sina cosa)=(tana-3)/(tana 1)这个
(sina-3cosa)/(sina+cosa)
=(sina/cosa-3)/(sina/cosa+1) 【分子分母同时除以cosa】
=(tana-3)/(tana +1) 【sina/cosa=tana】