For the curve r(t), write the acceleration in the form aTT + aNN.r(t) = (t2 - 5)i + ( 2t - 6)j + 2k
A. a = 
T + 
N
B. a = 
T + 
N
C. a = 
T + 
N
D. a = 
T + 
N
Answer: D
Mathematics
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Factor the polynomial as the difference of two squares or state that it is irreducible.64 - x2
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The point P on the circle x2 + y2 = r2 that is also on the terminal side of an angle ? in standard position is given. Find the indicated trigonometric function.(-5, -1)Find sec ?.
A. -
B. 
C. - 
D. - 
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