Hyperbola

For some θ∈(0,‌

π

2

), let the eccentricity and the length of the latus rectum of the hyperbola x2−y2 sec2θ=8 be e1 and l1, respectively, and let the eccentricity and the length of the latus rectum of the ellipse x2 sec2θ+y2=6 be e2 and l2, respectively. If e12=e22( sec2θ+1), then (‌

l1l2

e1e2

)tan2θ is equal to