$$$\frac{- \sin^{2}{\left(x \right)} + \cos^{2}{\left(x \right)}}{\sqrt{\cos{\left(4 x \right)}}}$$$ 的积分

该计算器将求出$$$\frac{- \sin^{2}{\left(x \right)} + \cos^{2}{\left(x \right)}}{\sqrt{\cos{\left(4 x \right)}}}$$$的积分/原函数，并显示步骤。

求$$$\int \frac{- \sin^{2}{\left(x \right)} + \cos^{2}{\left(x \right)}}{\sqrt{\cos{\left(4 x \right)}}}\, dx$$$。

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