Plot the point given in polar coordinates.
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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FInd the tangential and normal components of the acceleration.r(t) = (t + 2)i + (ln(cos t) - 8)j + 7k
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
Mathematics
Find the exact value under the given conditions.sin ? = 
, 0 < ? < 
; cos ? = 
, 0 < ? < 
Find cos (? + ?).
A. 
B. 
C. 
D. 
Mathematics
Graph the compound inequality.2x + y ? 4 and x - 1 > 0
A. 
B. 
C. 
D. 
Mathematics
Solve the inequality by the test-point method. Write the solution in interval notation.(x + 5)(x + 4)(x - 1) > 0
A. (-?, -5) ? (-4, 1) B. (-5, -4) ? (1, ?) C. (-?, -4) D. (1, ?)
Mathematics