Use a calculator to evaluate the expression. Round the answer to three decimal places.-(-1.57)-2
A. -0.406
B. 2.465
C. 0.406
D. -2.465
Answer: A
Mathematics
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Find an equivalent algebraic expression for the given composition.tan(arccos(x))
A. 
B. 
C. 
D. - 
Mathematics
By calculating an appropriate number of terms, determine if the series converges or diverges. If it converges, find the limit L and the smallest integer N such that 
for 
otherwise indicate divergence.an = cos n
A. L = 1, N = 394 B. diverges C. L = 0, N = 394 D. L = 0, N = 237
Mathematics
Graph the function by hand, not by plotting points, but by starting with the graph of one of the standard functions and then applying the appropriate transformations.
Mathematics
Find the indicated matrix.Let A = 
and B = 
. Find AB.
A. 
B. 
C. 
D. 
Mathematics