2 ^2 x- ^2 x ^2 x+ ^2 x d x= - Vidyadip

MCQ

$2 \int \frac{\cos ^2 x-\sin ^2 x}{\cos ^2 x+\sin ^2 x} \cdot d x=$

✓
sin 2x + c
B
cos 2x + c
C
tan 2x + c
D
2 sin 2x + c

✓

Answer

Correct option: A.

sin 2x + c

sin 2x + c

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