MCQ
$\frac{d}{d x}\left(\sec ^2 x-\tan ^2 x\right)=$
  • A
    $2 \sec ^2 x-2 \tan x$
  • B
    $2 \sec x-2 \tan x$
  • C
    1
  • $0$

Answer

Correct option: D.
$0$
D

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