If tanα=12\tan \alpha = \frac{1}{2}tanα=21 and tanβ=13\tan \beta = \frac{1}{3}tanβ=31, what is the value of cos(2α+2β)\cos(2\alpha + 2\beta)cos(2α+2β)?
000
111
−1-1−1
1/21/21/2