tan^2α=2tan^2β+1sin^2α/cos^2α=2sin^2β/cos^2β+1sin^2α/cos^2α=(2sin^2β+cos^2β)/cos^2βsin^2α/cos^2α=(sin^2β+1)/cos^2βsin^2α/(1-sin^2α)=(sin^2β+1)/(1-sin^2β)sin^2α-sin^2α*sin^2β=sin^...