Question: Here is an informal proof that tan -1 1 + tan -1 2 + tan -1 3 = . Explain what is going on.

Here is an informal proof that tan-1 1 + tan-1 2 + tan-1 3 = π. Explain what is going on.Here is an informal proof that tan-1 1 + tan-1 2 +

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ANSWER Heres an explanation of what is going on Let A tan11 B tan12 and C tan13 Then we have tanA 1 ... View full answer

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