$\dfrac{\operatorname{cosec} A}{\operatorname{cosec} A - 1} + \dfrac{\operatorname{cosec} A}{\operatorname{cosec} A + 1}

Question

$\dfrac{\operatorname{cosec} A}{\operatorname{cosec} A - 1} + \dfrac{\operatorname{cosec} A}{\operatorname{cosec} A + 1} = ?$

Accepted Answer

$2\sec^2 A$

Answer

$2\operatorname{cosec}^2 A$

Answer

$2	an^2 A$

Answer

$2\cot^2 A$

cosec⁡Acosec⁡A−1+cosec⁡Acosec⁡A+1=?\dfrac{\operatorname{cosec} A}{\operatorname{cosec} A - 1} + \dfrac{\operatorname{cosec} A}{\operatorname{cosec} A + 1} = ?cosecA−1cosecA​+cosecA+1cosecA​=?