Solve in radians 2sin(x)=2tan(x)

In the mid-1800s, native americans who had lived in the westtraded their manufactured goods with settlers.were able to resist diseases carried by settlers.offered their services as guides to settlers.prevented settlers from moving onto their territory.

Group formed to protect artisans and increase their profits

The information box says that the han added 4,000 miles of wall.refer to the mileage scale.how can this be true?