Question

sec A + tan A = 3 = sec A = ?

Answer 1

Hey friend,

Here is your answer,
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secA + tanA = 3

   1      +   sinA   =  3
cosA        cosA

1 + sinA   =  3
  cosA

cosA = 1 + sinA
                3

  1       =      3      
cosA       1 + sinA

secA =      3      
             1 + sinA

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