polycarpedward polycarpedward
  • 22-08-2020
  • Mathematics
contestada

A+B= 45° Prove that (Cot A -1) (Cot B-1)=2​

Respuesta :

linupappachan1975
linupappachan1975 linupappachan1975
  • 22-08-2020

Answer:

I am not sure but my answer is 55.

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