Find the exact value of the expression.cos 
cos 
- sin 
sin 
A. 0
B. 1
C. -1
D. 
Answer: A
Mathematics
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Find the quadratic approximation of f at x = 0.f(x) = ln(1 + sin 2x)
A. Q(x) = 1 - 2x + 2x2 B. Q(x) = 1 + 2x + 2x2 C. Q(x) = 2x + 2x2 D. Q(x) = 2x - 2x2
Mathematics
Which of the following does not represent the concept of surface area? ?
A. ?The visible surface you can see. B. ?The area of each visible surface. C. ?The space the shape takes up. D. ?S = 2wl + 2wh + 2lh E. S = 2(wh + wl + hl)?
Mathematics
Divide, simplifying if possible.
÷ 
A. 
B. 
C. 
D. 
Mathematics
Find the value of d2y/dx2 at the point defined by the given value of t.x = t, y = 
, t = 1
A. - 
B. - 
C. - 
D. 
Mathematics