Simplify the trigonometric expression sin(2β)1+cos(2β)\frac{\sin(2\beta)}{1 + \cos(2\beta)}1+cos(2β)sin(2β).
tan(β)\tan(\beta)tan(β)
cot(β)\cot(\beta)cot(β)
sin(β)\sin(\beta)sin(β)
cos(β)\cos(\beta)cos(β)