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## Homework Statement

An h1 = 2.13 m tall basketball player wants to make a basket from a distance d = 10.8 m, as seen in the figure.

If he shoots the ball at α = 47.2° angle, at what initial speed must he throw the basketball so that it goes through the hoop without striking the backboard? The height of the basketball hoop is h2 = 3.05 m.

## Homework Equations

1/2((gd^2)/((cos(theta)^2 * ((H1-H2) +(d * tan(theta))) = Vo^2

## The Attempt at a Solution

I have absolutely no idea how to use that equation. I was horrible and dropped my trig class and in doing so completely forgot how to use equations with theta. Any help is greatly appreciated.