Calculate 
. You need not expand your answer.
?
?
A. 
B. 
C. 
D. 
E. 
Answer: D
Mathematics
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Compute the unit binormal vector and torsion of the curve. r(t) = 
A. B(t) = 
, ? = 1
B. B(t) = 
, ? = 0
C. B(t) = 
, ? = 1
D. B(t) = 
, ? = 0
Mathematics
Determine if the pair of polar coordinates represents the same point.(4, 0°), (9, 0°)
A. No B. Yes
Mathematics
Solve the problem.A projectile is fired with an initial velocity of 300 feet per second at an angle of 45° with the horizontal. To the nearest foot, find the maximum altitude of the projectile. The parametric equations for the path of the projectile are x = (300 cos 45°)t, and y = (300 sin 45°)t - 16t2.
A. 703 feet B. 686 feet C. 695 feet D. 719 feet
Mathematics
Solve the equation in the interval [0,2?).
2cos² x + sin x = 1
Mathematics