A body thrown at an angle `alpha` to the horizontal with some velocity.Assuming air drag to be negligible find the value of `alpha` so that horizontal range and maximum hieght of ascent are equal.

Explanation

To solve the problem where we need to find the angle \( \alpha \) such that the horizontal range and maximum height of a projectile are equal, we can follow these steps:

### Step 1: Write the formulas for range and height
The formulas for the horizontal range \( R \) and maximum height \( H \) of a projectile thrown at an angle \( \alpha \) with initial velocity \( V \) are given by:

\[ R = \frac{V^2 \sin 2\alpha}{g} \]
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