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prove (1+tan^2 A/1+cot^2 A)=(1-tanA/1-cotA)^2=tan^2A ||class 10 exercise 8.4 Question 5 ka x part

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1+Tan2A/1+Cot2A=(1-TanA/1-CotA)2=Tan2A

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#Trigonometry all formulas

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