Simplify the expression: sin(2α)1+cos(2α)\frac{\sin(2\alpha)}{1 + \cos(2\alpha)}1+cos(2α)sin(2α).
sin(α)\sin(\alpha)sin(α)
cos(α)\cos(\alpha)cos(α)
tan(α)\tan(\alpha)tan(α)
cot(α)\cot(\alpha)cot(α)