Solve the problem.If tan ? = x + 1 and tan ? = x - 1, show that cot(? + ?) = 
What will be an ideal response?
cot(? + ?) = 
= 
= 
= 
= 
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Assume that the sequence converges and find its limit.a1 = 4, an + 1 = 
A. 8 B. 5 C. 3 D. 4
Identify the set as finite or infinite.The set of even numbers greater than 100
A. Infinite B. Finite
Find all the complex roots. Leave your answers in polar form with the argument in degrees.The complex fifth roots of -2i
A. 32(cos 54° + i sin 54°), 32(cos 126° + i sin 126°), 32(cos 198° + i sin 198°), 32(cos 270° + i sin 270°), 
B. 
(cos 54° + i sin 54°), 
(cos 126° + i sin 126°), 
(cos 198° + i sin 198°), 
(cos 270° + i sin 270°), 
C. 
(cos 54° + i sin 54°), 
(cos 126° + i sin 126°), 
(cos 198° + i sin 198°), 
(cos 270° + i sin 270°), 
D. 
(cos 45° + i sin 45°), 
(cos 117° + i sin 117°), 
(cos 189° + i sin 189°), 
(cos 261° + i sin 261°), 
Find the dot product for the pair of vectors.
, 
A. -120 B. 270 C. -195 D. 75