Without using a calculator, determine the value of the trigonometric function or state that the value is undefined.sec 
A. - 
B. - 
C. 
D. -2
Answer: A
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Find the conjugate of each complex number.-1 - j
A. -1 + j B. No conjugate. C. 1 - j D. 1 + j
Write the fraction or mixed number as a percent. Write the percent as a simplified fraction or mixed number.
A. 5
%
B. 52
%
C. 77
%
D. 522
%
Give an appropriate answer.Explain the difference between a sample and a population.
What will be an ideal response?
Solve the problem.The arch beneath a bridge is semi-elliptical, a one-way roadway passes under the arch. The width of the roadway is 38 feet and the height of the arch over the center of the roadway is 14 feet. Two trucks plan to use this road. They are both 10 feet wide. Truck 1 has an overall height of 
and Truck 2 has an overall height of 
. Draw a rough sketch of the situation and determine which of the trucks can pass under the bridge.
A. Truck 1 can pass under the bridge, but Truck 2 cannot. B. Neither Truck 1 nor Truck 2 can pass under the bridge. C. Truck 2 can pass under the bridge, but Truck 1 cannot. D. Both Truck 1 and Truck 2 can pass under the bridge.