write an expression using subtraction to find the distance between the two birds. (5 points)
show your work and solve for the distance using additive inverses. (5 points)

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

What does independent variable and dependent variable mean in math?

If the altitude is drawn to the hypotenuse of a right triangle, then the two triangles formed are similar to the original triangle and to each other. which set of triangles shows the similar triangles created by the altitude in the diagram?