Find the cosine of ?.
?
?
?
A. ?
B. ?
C. 
D. 
?
E. 
?
Answer: E
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The following figure has perimeter, circumference, or area as indicated. Find the value of x. Use 3.14 as an approximation for ?.P = 56
A. 15 B. 10 C. 13 D. 20
Express the given complex number in polar form.5.021e3.180j
A. 5.021 ( cos 287.68° + j sin 287.68°) B. 3.180 ( cos 182.20° + j sin 182.20°) C. 5.021 ( cos 182.20° + j sin 182.20°) D. 3.180 ( cos 287.68° + j sin 287.68°)
For the graph of the function y = f(x), find the absolute maximum and the absolute minimum, if it exists.
A. Absolute maximum: none; Absolute minimum: none B. Absolute maximum: none; Absolute minimum: f(1) = 2 C. Absolute maximum: f(-1) = 6; Absolute minimum: f(1) = 2 D. Absolute maximum: f(3) = 5; Absolute minimum: f(1) = 2
Insert ? or ? in the blank to make the statement is true.0 
{4, 5, 6, 7, 8, 9}
A. ? B. ?