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Verify That Each Equation Is an Identity 2−sec⁡2xsec⁡2x=cos⁡2x\frac{2-\sec ^{2} x}{\sec ^{2} x}=\cos 2 x

Question 58

Essay

Verify that each equation is an identity.
- 2−sec⁡2xsec⁡2x=cos⁡2x\frac{2-\sec ^{2} x}{\sec ^{2} x}=\cos 2 x

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