If `tanA = 12/5` and `pi lt A lt (3pi)/(2)`, find the values of the following: i) `sin2A` ii) `cos2A` iii) `tan2A`

If `tanA = 12/5` and `pi lt A lt (3pi)/(2)`, find the values of the fo

1.	If `tanA = 12/5` and `pi lt A lt (3pi)/(2)`, find the values of the following: i) `sin2A` ii) `cos2A` iii) `tan2A`
Answer» i) `120/169`, ii) `-119/169`, iii) `-120/119`