Prove that (1 + Tan^2 Theta)/(1 + Cot^2 Theta) = ((1 - Tan Theta)/(1 - Cot Theta))^2 = Tan^2 Theta

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Prove the Following Trigonometric Identities (1 + Tan^2 Theta)/(1 + Cot^2 Theta) = ((1 - Tan Theta)/(1 - Cot Theta))^2 = Tan^2 Theta
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