Find the exact value of the expression using the provided information.Find sin (? - ?) given that sin ? = 0.8203 and cos ? = 0.5345 and that ? and ? are between 0 and ?/2.
A. 0.9218
B. -0.0449
C. 0.999
D. 0.3876
Answer: B
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Use the maximum/minimum finder on a graphing calculator to determine the approximate location of all local extrema.f(x) = x5 - 15x4 - 3x3- 172x2 + 135x + 0.04
A. Approximate local maximum at 0.439; approximate local minimum at -12.663 B. Approximate local maximum at 0.379; approximate local minimum at 12.565 C. Approximate local maximum at 0.332; approximate local minima at -0.517 and -12.508 D. Approximate local maximum at 0.379; approximate local minima at -0.472 and 12.565
Solve the problem. Round to the nearest tenth of a percent.Find the annual percentage yield APY corresponding to the given rate of 6.8% compounding quarterly.
A. 7.1% B. 6.9% C. 7.2% D. 7%
For the following decimal measurement, (a) find the closest fractional equivalent using the given denominator, and (b) find the error, to the nearest ten-thousandth if the fraction is used in place of the decimal number.0.729 in. (32nds)
A. (a) 
,
(b) 0.0110
B. (a) 
,
(b) 0.0415
C. (a) 
,
(b) 0.0103
D. (a) 
,
(b) 0.0728
The letters x and y represent rectangular coordinates. Write the equation using polar coordinates (r, ?).x = -3
A. r sin ? = -3 B. r cos ? = -3 C. r sin ? = 3 D. r cos ? = 3