-1 +1 + +1 -1 is equal to: - Vidyadip

MCQ

$\sqrt{\frac{\sec \theta-1}{\sec \theta+1}}+\sqrt{\frac{\sec \theta+1}{\sec \theta-1}}$ is equal to:

A
$2 \operatorname{cosec} \theta$
B
$2 \sec \theta$
C
$2 \tan \theta$
D
$2 \sin \theta$

✓

Answer

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