解決n[sin^-15/13+cos^-1(-3/5)] |Microsoft數學求解器

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來自 Web 搜索的類似問題

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https://socratic.org/questions/what-is-cos-arcsin-1-2-arccos-5-13

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n {(0.006712754400356021 ^ {-1} + 0.9999451693655121 ^ {-1})}

對題中的三角函數求值

n\left(\frac{1000000000000000000}{6712754400356021}+0.9999451693655121^{-1}\right)

計算 0.006712754400356021 的 -1 乘冪，然後得到 \frac{1000000000000000000}{6712754400356021}。

n\left(\frac{1000000000000000000}{6712754400356021}+\frac{10000000000000000}{9999451693655121}\right)

計算 0.9999451693655121 的 -1 乘冪，然後得到 \frac{10000000000000000}{9999451693655121}。

n\times \frac{10066579237658681210000000000000000}{67123863357730880366709189833541}

將 \frac{1000000000000000000}{6712754400356021} 與 \frac{10000000000000000}{9999451693655121} 相加可以得到 \frac{10066579237658681210000000000000000}{67123863357730880366709189833541}。