MCQ
$\frac{d}{d x}[\log (\sec x+\tan x]=$
  • A
    $\frac{1}{\sec x+\tan x}$
  • $\sec x$
  • C
    $\tan x$
  • D
    $\sec x+\tan x$

Answer

Correct option: B.
$\sec x$
(B)

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