"A : Cosech"^(-1) 2 = loge ((1+sqrt5)/2)...

`"A : Cosech"^(-1) 2 = log_e ((1+sqrt5)/2)`
`"R : Cosech"^(-1) x = log_e [(1+sqrt(1+x^2))/2]`

Both A and R are true and R is the correct explanation of A

Both A and R are true but R is not correct explanation of A

A is true but R is false

A is false but R is true

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Cosech ""^(-1) (3) =

`log (1 + sqrt10)`

`log ((1+sqrt10)/3)`

`log (1 + sqrt5)`

`log ((1+sqrt5)/3)`

Both A and B are true and R is correct explanation of A

Both A and R are true and R is not correct explanation of A

A is true both R is false

A is false but R is true

`log_e ((1+sqrt3)/3)`

`log_e ((2+sqrt3)/3)`

`log_e ((2-sqrt3)/3)`

`log_3 [3 (2 + sqrt3)]`