Find the period P and amplitude A and graph at least two periods of the equation.
A. P = 1080°, A = 3
B. P = 1080°, A = 3
C. P = 120°, A = 0.33
D. P = 1080°, A = 3
E. P = 120°, A = 0.33
Answer: B
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about the x-axis.
A. 9.31 B. 10.87 C. 7.62 D. 5.43
Find the unit tangent vector T and the principal unit normal vector N. r(t) = (ln(cos t) + 3)i + 6j + (4 + t )k, -?/2 < t < ?/2
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Sketch the graph of the function.
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A. ?
B. ?
C. ?
D. ?
E. ?
Write a fraction to represent the shaded part of the object.
A. 
B. 
C. 
D. 