54 Bus Tracker Miami Is This The Future Of Public Transit Dade County Map

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三角函数 sin 54° 和 cos 54°这两个数分别等于多少？三角函数 sin 54° 和 cos 54°这两个数分别等于多少？解：∵sin54°=cos36°，即有sin (3×18°)=cos (2×18°)，∴有3sin18°.

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