Please pleasee helpp

Solve equation for 0<_x<_2x
Q: 1-2tan^2x= -tan^2x

Pls super important solve the botton one

Gail is making costumes for a school play. each rabbit costume needs one and one half yards of white fur fabric, a yard of blue striped fabric, and a quarter of a yard of pink felt for the ears. g? ail needs to make eight rabbit man yards will she need, for the white fur fabric, blue striped fabric, and pink felt?

The midpoints of the sides of the large square are joined to form a smaller square. what is the area of the smaller square