If =2 3 , then 2 ^2 +2 ^2 -7 is equal to - Vidyadip

MCQ

If $\cos \theta=\frac{2}{3}$, then $2 \sec ^2 \theta+2 \tan ^2 \theta-7$ is equal to

A
1
✓
$0$
C
3
D
4

✓

Answer

Correct option: B.

$0$

B

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