KEAM 2012 Math Paper

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Question : 65 of 120

Marks: +1, -0

If x∊(

π

2

,π), then

sec‌x−1

sec‌x+1

is equal to

(cosec‌x+cot‌x)2
(sin‌x−cos‌x)2
(cosec‌x−cot‌x)2
(sec‌x+tan‌x)2
(sec‌x−tan‌x)2

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