解 y (復數求解)
y=-\frac{\sqrt{2}i\sqrt{2\left(x^{2}-8\right)}\left(\cos(x)\right)^{-\frac{1}{2}}}{2}
y=\frac{\sqrt{2}i\sqrt{2\left(x^{2}-8\right)}\left(\cos(x)\right)^{-\frac{1}{2}}}{2}\text{, }\nexists n_{1}\in \mathrm{Z}\text{ : }x=\pi n_{1}+\frac{\pi }{2}
解 y
y=\sqrt{-\frac{x^{2}-8}{\cos(x)}}
y=-\sqrt{-\frac{x^{2}-8}{\cos(x)}}\text{, }\left(x>-\frac{3\pi }{2}\text{ and }x\leq -2\sqrt{2}\right)\text{ or }\left(x\geq 2\sqrt{2}\text{ and }x<\frac{3\pi }{2}\right)\text{ or }\left(\exists n_{2}\in \mathrm{Z}\text{ : }\left(x>2\pi n_{2}+\frac{\pi }{2}\text{ and }x<2\pi n_{2}+\frac{3\pi }{2}\right)\text{ and }\nexists n_{1}\in \mathrm{Z}\text{ : }x=\pi n_{1}+\frac{\pi }{2}\right)
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示例
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算術
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矩陣
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聯立方程
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微分
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積分
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限制
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