\(\rm \frac{cot\theta+cosec\theta - 1}{cot\theta - cosec\theta +1}\) ನ ಮೌಲ್ಯ ಎಷ್ಟು?

1
2 sec θ 
2
2 cosec θ 
3
2 cot θ 
4
(cosec θ + cot θ)

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