Question:
(1−cot𝐴)
+
cot𝐴
(1−tan𝐴)
= (1 + tan 𝐴 + cot 𝐴
Answer:
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Please refer to the following link for one particular question which you might be asking, at 29:50
https://www.youtube.com/watch?v=IOn8EcVrxqQ&list=PLph3YM7PV2E7A5oZ80MuwnEFipNM4mljq&index=3
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