Asked by Sade

Use the half-angle formula to simplify (sin4theta)/(1+cos4theta)
Answered by Damon
2sin 2Tcos2T/[1 + 2 cos^2 2T -1]

= sin 2T cos 2T/ [cos 2T cos 2T]

= sin 2T/cos 2T = tan 2T

= 2 tan T/[1-tan^2T]
Answered by Steve
Looks like tan 2T to me
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