यदि cosec theta = 3x और cot theta = (3)/...

यदि `cosec theta = 3x` और `cot theta = (3)/(x). (x ne 0)` है, तो 9`(x^(2) - (1)/(x^(2)))` का मान है :

A

`(2)/(3)`

B

1

C

`(1)/(4)`

D

`(1)/(2)`

लिखित उत्तर

Verified by Experts

The correct Answer is:

B

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