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Trigonometric Identity Simplification

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Which of the following is equivalent to the expression sec⁡2x−1sec⁡2x\frac{\sec^2 x - 1}{\sec^2 x}?

A

tan⁡2xsin⁡2x\frac{\tan^2 x}{\sin^2 x}

B

cos⁡2xtan⁡2x\frac{\cos^2 x}{\tan^2 x}

C

cos⁡2x\cos^2 x

D

sin⁡2x\sin^2 x

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