The angle at which a projectile must be fired to cover maximum range is?

A. 30°
B. 45°
C. 60°
D. 90°

Correct Answer: Option B

B. 45°

Explanation

The formula is v²sin²θ/g

And the sine graph is highest at 1 with its inverse as 90°. Hence, 2θ = 90°

θ = 45°