SOLUTION: prove that sin2thetha/1+cos2thetha=tanthetha

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Question 1064420: prove that sin2thetha/1+cos2thetha=tanthetha
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
prove that sin2thetha/1+cos2thetha=tanthetha
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2sin(t)cos(t)/(1 + cos^2(t) - sin^2(t)) = tan(t)
2sin(t)cos(t)/(2cos^2(t)) = tan(t)
sin(t)cos(t)/cos^2(t) = tan(t)
sin(t)/cos(t) = tan(t)
I'm convinced.