Solve. Give an exact answer unless indicated otherwise.The range r of a projectile is given byr = 
v2 sin 2?,where v is the initial velocity and ? is the angle of elevation. If r is to be 
and 
what must the angle of elevation be? Give an answer in degrees to the nearest hundredth.
A. 0.41°
B. 0.81°
C. 89.59°
D. 0.57°
Answer: A
Mathematics
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What will be an ideal response?
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