Question
Prove that sin2x+cos2x-1/sin2x+cos2x+1=tanx
Answers
Steve
See the related questions below. A good one is
http://www.jiskha.com/display.cgi?id=1353315962
not quite yours, but very close.
http://www.jiskha.com/display.cgi?id=1353315962
not quite yours, but very close.