Ask your own question, for FREE!
Mathematics 8 Online
OpenStudy (anonymous):

Rewrite 2tan112.5° / 1−tan2112.5° using a double-angle identity. tan 112.5° tan 225° tan 56.25° 2 tan 112.5°

rishavraj (rishavraj):

use tan 2x = (2*tan x)/(1-tan^2 x)

OpenStudy (anonymous):

thanks

Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!
Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!