dg090400orlwe9 dg090400orlwe9
  • 23-03-2019
  • Mathematics
contestada

Verify the Identity

cot(x- pi/2) = -tan x

Respuesta :

ravi78 ravi78
  • 23-03-2019

cot [-(pi/2-x)]

-tanx. tan(-x)=-tanx

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