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**Projectile Motion, With out numbers :(**

## Homework Statement

A body is projected at an angle such that the horizontal range is equal to three times the greatest height. find the angle of projection.

## Homework Equations

I dont know

## The Attempt at a Solution

all i got so far is that vx= v cos(angle) and vy= v sin(angle)

This is a really tricky question for me and i do not know where to start.