SOLUTION: (1+〖tan〗^2 θ)/(1+〖Cot〗^2 θ)=((1-tan A)/(1-Cot A))^2
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Trigonometry outline vector icon.Trigonometric formulas such as sin, cos, tan, cosec, sec, and cot on the blackboard. Stock Vector | Adobe Stock
![Formula of Trigonometry - [Sin, Cos, Tan, Cot, Sec & Cosec]](https://trigidentities.net/wp-content/uploads/2020/06/Pythagorean.png "Formula of Trigonometry - [Sin, Cos, Tan, Cot, Sec & Cosec]")