Find the tangential and normal components of the acceleration.r(t) = (t + 9)i + (ln(cos t) - 3)j + 1k
A. a = (-sec t tan t)T - (sec t)N
B. a = (sec t tan t)T - (sec t)N
C. a = (sec t tan t)T + (sec t)N
D. a = (-sec t tan t)T + (sec t)N
Answer: C
Mathematics
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