SOLUTION: Prove, tan^2x+2/1+tan^2x=1+cos^2x

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Question 1025646: Prove, tan^2x+2/1+tan^2x=1+cos^2x
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Prove,
tan^2x+2/1+tan^2x=1+cos^2x
(tan^2x+1)/(1+tan^2x) + 1/(1+tan^2) = 1+cos^2x
1 + 1/(1+tan^2) = 1+cos^2
1 + 1/sec^2 = 1 + cos^2
1 + cos^2 = 1 + cos^2