850 15
20
56°
B
24
39° 56
E
6
Enter the length below.
DF=
units

For the equations below which statement is true ?

If cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).

72 the length of a side of a triangle is 36. a line parallel to that side divides the triangle into two parts of equal area. find the length of the segment determined by the points of intersection between the line and the other two sides of the triangle.