Compute r''(t).r(t) = (cos 5t)i + (3 sin t)j
A. r''(t) = (-25 cos 5t)i + (-3 sin t)j
B. r''(t) = (-25 cos 5t)i + (-9 sin t)j
C. r''(t) = (-5 cos 5t)i + (3 sin t)j
D. r''(t) = (25 cos 5t)i + (-3 sin t)j
Answer: A
Mathematics
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