I've searched my whole trig book, looked through all my notes but still, I can't seem to figure this problem out! Can anyone give me some help? It would greatly be appreciated!
Show that: 2arctan(1/2)=arctan(4/3)
jinxt wrote:I've searched my whole trig book, looked through all my notes but still, I can't seem to figure this problem out! Can anyone give me some help? It would greatly be appreciated!
Show that: 2arctan(1/2)=arctan(4/3)