1.

Find the value of of cot3theta:

Answer»

`(COT^(3)theta-3cot theta)/(3cot^(2)theta)`
`(cot^(3)theta-3cot theta)/(3cot^(2)theta-1)`
`(3cot theta-cot^(3)theta)/(3cot^(2)theta-1)`
NONE of these

Answer :B


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