Solve the problem.The output voltage for an AC generator is approximated by v = 156 cos 
. Find the smallest positive value of t for which the output is 144 volts. Round values to 4 decimal places.
A. 0.0038
B. 0.0086
C. 0.0028
D. 0.0076
Answer: A
Mathematics
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A. 25
B. 
C. -25
D. 
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A. -1 B. 1 C. -3 D. 3
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Arrange the polynomial in descending powers of the variable. Then find its degree and leading coefficient.7x - 8x5 - 1
A. 7x - 8x5 - 1, degree 6, leading coefficient: 7 B. -8x5 + 7x - 1, degree: 6, leading coefficient: -8 C. 7x - 8x5 - 1, degree 7, leading coefficient: 7 D. -8x5 + 7x - 1, degree: 5, leading coefficient: -8
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A. -2 B. 6 C. -6 D. 12
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