Find the limit of $\left(\frac{1-\cos\left(x\right)\sqrt{\cos\left(2x\right)}}{\tan\left(x\right)^2}\right)^{\frac{1}{x^2}}$ as $x$ approaches 0

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Function Plot

Plotting: $\left(\frac{1-\cos\left(x\right)\sqrt{\cos\left(2x\right)}}{\tan\left(x\right)^2}\right)^{\frac{1}{x^2}}$

Main Topic: Limits of Exponential Functions

Those are limits of expressions of the form f(x)^g(x).

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