^4 A- ^2 A is equal to - Vidyadip

MCQ

$\sec ^4 A-\sec ^2 A$ is equal to

A
$\tan ^2 A-\tan ^4 A$
B
$\tan ^4 A-\tan ^2 A$
✓
$\tan ^4 A+\tan ^2 A$
D
$\tan ^2 A+\tan ^4 A$

✓

Answer

Correct option: C.

$\tan ^4 A+\tan ^2 A$

C

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