The value of the expression (sinx + cosecx)^2 + (cosx + secx)^2 -… - Vidyadip

MCQ

The value of the expression $(sinx + cosecx)^2 + (cosx + secx)^2 - ( tanx + cotx)^2$ wherever defined is equal to

A
$0$
✓
$5$
C
$7$
D
$9$

✓

Answer

Correct option: B.

$5$

b

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