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If tanA-tanB=x and cotA-cotB=y prove that cot(A-B) =1/x-1/y

If tanA-tanB=x and cotA-cotB=y prove that cot(A-B) =1/x-1/y

Grade:11

1 Answers

Saurabh Koranglekar
askIITians Faculty 10335 Points
5 years ago
576-902_1.PNG

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