Use the fundamental identities and simplify the expression to get a numerical value.
A. 1
B. 1 - sin x
C. -sec2 x
D. 0
Answer: A
Mathematics
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Find 
by using logarithmic differentiation.y = 
A. 
B. 
C. 
D. - 
x(1 - 7x)2/3
Mathematics
Find a1, d, an, n, or Sn for the arithmetic sequence, as instructed.a1 = 47, d = 6, an = 221; Find n.
A. 38 B. 30 C. 29 D. 28
Mathematics
Calculate the arc length S and area A for each of the following sectors. Round to the nearest whole number if necessary.a = 60°, r = 70 cm
A. S = 72 cm, A = 1566 cm2 B. S = 73 cm, A = 2506 cm2 C. S = 73 cm, A = 2566 cm2 D. S = 33 cm, A = 2556 cm2
Mathematics
Let 
. Find the domain of the composite function.
?
?
A. 
B. 
C. 
D. 
E. 
Mathematics