Hola me. pueden ayudar a resolver esto

The graph below shows the height of a projectile t seconds after it is launched. if acceleration due to gravity is -16 ft/s2, which equation models the height of the projectile correctly?

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

Ade and abc are similar. which best explains why the slope of the line between points a and d is the same as the slope between points a and b?