Identify the equation as either an identity or not.
= 2 cos 2x
A. Not an identity
B. Identity
Answer: A
Mathematics
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Evaluate the cylindrical coordinate integral.
A. 945,750
B. 
C. 
D. 
Mathematics
For the curve r(t), write the acceleration in the form aTT + aNN.r(t) = (2t sin t + 2 cos t)i + (2t cos t - 2 sin t)j + 7k
A. a = 2T + 2tN
B. a = 
N
C. a = 2T + 
N
D. a = 2tN
Mathematics
Determine whether the relation is a function.{(1, 3), (1, 10), (5, -8), (8, 7), (10, -7)}
A. Function B. Not a function
Mathematics
Solve the problem.Find the first six terms of the sequence with first term -1 and nth term an = 3 - an-1.
A. -1, 2, 1, 2, 1, 2 B. -1, -4, 1, -4, -1, -4 C. -1, 4, -1, 4, -1, 4 D. -1, 2, -1, 2, -1, 2
Mathematics