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(pi)/(2)ltalphaltpirArr sqrt((1-cosalpha...

`(pi)/(2)ltalphaltpirArr sqrt((1-cosalpha)/(1+cosalpha))+sqrt((1+cosalpha)/(1-cosalpha))=`

A

`2 sec alpha`

B

`-2 sec alpha`

C

`2 cosec alpha`

D

`-2 cosec alpha`

Text Solution

Verified by Experts

The correct Answer is:
C
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AAKASH SERIES-TRIGONOMETRIC RATIOS-ADDITIONAL PRACTICE EXERCISE (LEVEL - II) (PRACTICE SHEET (ADVANCED) SIGNLE ANSWER TYPE QUESTIONS)
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