Use the information given about the angle ?, 0 ? ? ? 2?, to find the exact value of the indicated trigonometric function.cos ? = - 
, sin ? > 0Find cos 
.
A. - 
B. 
C. - 
D. 
Answer: D
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Solve for base in the problem. Round to the nearest hundredth, if necessary.566 cartons is 11.1% of cartons.
A. 0.12 B. 5,099.1 C. 12 D. 50,991
Solve the problem.A satellite is to be put into an elliptical orbit around a moon. The moon is a sphere with radius of 578 km. Determine an equation for the ellipse if the distance of the satellite from the surface of the moon varies from 490 km to 261 km.
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Solve the problem.A man earned $3000 the first year he worked. If he received a raise of $400 at the end of each year, what was his salary during the 15th year?
A. $9000 B. None of these C. $8600 D. $5600
Solve.The roof of a building is in the shape of the hyperbola 
where x and y are in meters. Determine the distance, w, between the outside walls.A = 11 m
A. 104 m B. 10.2 m C. 11.7 m D. 20.4 m