Question

Find the exact value by using a half-angle identity.

Answer 1

\[\tan(\frac{ 7\pi }{ 8 })\]

Answer 2

@amoodarya Can you help with this one?

Answer 3

\[\tan(7\pi/8)=\tan (\pi - \pi/8) = \tan (-\pi/8) =- \tan (\pi/8)\]

Answer 4

next step is to use that formula