Sin: 求表达式的正弦值

Wolfram Research (1988)，Sin，Wolfram 语言函数，https://reference.wolfram.com/language/ref/Sin.html （更新于 2021 年）.

Wolfram 语言. 1988. "Sin." Wolfram 语言与系统参考资料中心. Wolfram Research. 最新版本 2021. https://reference.wolfram.com/language/ref/Sin.html.

Wolfram 语言. (1988). Sin. Wolfram 语言与系统参考资料中心. 追溯自 https://reference.wolfram.com/language/ref/Sin.html 年

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@online{reference.wolfram_2023_sin, organization={Wolfram Research}, title={Sin}, year={2021}, url={https://reference.wolfram.com/language/ref/Sin.html}, note=[Accessed: 06-January-2024 ]}