lopeznadia838 lopeznadia838
  • 23-05-2018
  • Mathematics
contestada

Prove the identity. Secx+1/tanx = sinx/1-cosx

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Аноним Аноним
  • 23-05-2018
Ill assume that's the case:-

sec x  + 1 
-------------
   tan x

=  1 + cos x       cos x
    ------------ *    -------
         cos x        sin x

=   ( 1 + cos x) / sin x
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