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If 0 lt alpha lt beta lt ( pi )/( 2), an...

If `0 lt alpha lt beta lt ( pi )/( 2)`, and if `( tan beta)/( tan alpha) gt k`, then k is

A

`( alpha)/( beta)`

B

`(beta)/( alpha)`

C

`(2 alpha )/( beta)`

D

`( 2beta)/( alpha)`

Text Solution

Verified by Experts

The correct Answer is:
A
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