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求锐角三角函数值,是“锐角三角函数”一节中重要内容,也是中考中常见的题型。现将求锐角三角函数值的常用方法总结如下。
Find the acute trigonometric function value, is an important part of the “acute trigonometric function” section, is also a common problem in the test. A common method for finding trigonometric trigonometric values now follows.