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sarahjohnson56 sarahjohnson56
  • 11-06-2016
  • Mathematics
Answered

Verify the identity.


cot(x minus pi divided by two). = -tan x

Verified Answer :

jhonyy9
jhonyy9 jhonyy9
  • 17-06-2016

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

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