Find the exact value of the trigonometric expression without the use of a calculator.cos 
A. -
(
- 1)
B. 
(
- 1)
C. 
D. - 
Answer: C
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The wages of employees of a small accounting firm are as follows. Draw a line graph that represents the distribution, and the y-axis represent the number. $60000, $14000, $25000, $25000, $16000, $30000,$18000, $20000, $25000, $30000, $18000, $35000,$50000??
A. 
B. 
C. 
D. 
E. 
In 
, 
, 
, and 
. find 
.
A. 20° B. 40° C. 60° D. 80°
Rotate the axes so that the new equation contains no xy-term. Graph the new equation.24xy - 7y2 + 36 = 0
A. 
B. 
Answer the question, concerning the use of substitution in integration.Suppose that we are using substitution to find an antiderivative. If, after making the substitution, we find that there is still an x-term left in the integrand, what should we do?
A. Use an alternative method, because substitution will never give the antiderivative. B. Go back to the equation relating x and u, solve for x, and substitute in the integrand. C. This would never happen if we made the correct substitution. D. None of the above