The figure shows angle ? in standard position with its terminal side intersecting the unit circle. Evaluate sin ? and cos ?.
A. sin ? = 
, cos ? = - 
B. sin ? = 
, cos ? = - 
C. sin ? = - 
, cos ? = 
D. sin ? = - 
, cos ? = - 
Answer: A
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Solve the problem.To find the distance between two small towns, an electronic distance measuring (EDM) instrument is placed on a hill from which both towns are visible. The distance from the EDM to the towns is 
and 
and the angle between the two lines of sight is 
Find the distance between the towns to the nearest tenth of a mile.
A. 6.2 mi B. 5.3 mi C. 4.7 mi D. 6.7 mi
Write the fraction in decimal notation.
A. 3.075 B. 3.04 C. 3.85 D. 3.08
Solve the system by the addition method, if possible.
?
?
A. (12, -3) B. (4, 8) C. (-4, -8) D. (-4, 13) E. no solutions
A ship travels 185 kilometers on a bearing of 
.
?
Apply the rules regarding the use of significant digits when determining your answers.
?
How far east has it traveled?
?
__________ km
?
How far south has it traveled?
?
__________ km
What will be an ideal response?