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If ( sin x ) /( cos x) xx ( sec x ...

If ` ( sin x ) /( cos x) xx ( sec x )/( cosec x ) xx ( tan x )/( cot x) = 9` , where ` x in ( 0, (pi)/(2))` then the value of x is equal to

A

`pi/4`

B

`pi/3`

C

`pi/2`

D

`pi`

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The correct Answer is:
B
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