1.

If sin 2 theta=k then the value of (tan^(3) theta)/(1+tan^(2) theta)+(cot^(3) theta)/(1+cot^(2) theta)=

Answer»

`(1-K^(2))/(k)`
`(2-k^(2))/(k)`
`k^(2)+1`
`2-k^(2)`

ANSWER :B


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