Multiply and simplify.(3 - 3 csc ?)(3 + 3 csc ?)
A. 9 tan2x
B. -6 csc2x
C. 9 cot2x
D. - 9 cot2x
Answer: D
Mathematics
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FInd the tangential and normal components of the acceleration.r(t) = 
(1 + t)3/2i + 
(1 - t)3/2j + 
tk
A. a = 
N
B. a = 
N
C. a = T + 
N
D. a = 
T
Mathematics
Find the triple scalar product (u x v) ? w of the given vectors.u = i + j + k; v = 2i + 3j + 9k; w = 4i + 7j + 6k
A. -23 B. 59 C. -67 D. -19
Mathematics
Integrate the function f over the given region.f(x, y) = e2x + 3y over the rectangle 0 ? x ? 1, 0 ? y ? 1
A. 
(e5 - e3 - e2 - 1)
B. 
(e5 - e3 - e2 - 1)
C. 
(e5 - e3 - e2 + 1)
D. 
(e5 - e3 - e2 + 1)
Mathematics
Graph the exponential function using transformations where appropriate.f(x) = 2x + 2
A. 
B. 
C. 
D. 
Mathematics