• 选择单元是非实质性的,因为构成三角维持它们内在比率

    The chosen unit is immaterial because the triangles constructed will maintain their inherent ratios in all cases.

    youdao

  • 一些需要复习一点数学课程正弦作用是给出直角三角中的一个已知所对应一条边与直角三角斜边之间的比率

    For anyone that needs a little refresher course, the sine function gives the ratio of the opposite side of a given Angle in a right triangle to the hypotenuse.

    youdao

  • 一些需要复习一点数学课程正弦作用是给出直角三角中的一个已知所对应一条边与直角三角斜边之间的比率

    For anyone that needs a little refresher course, the sine function gives the ratio of the opposite side of a given Angle in a right triangle to the hypotenuse.

    youdao

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