Verify that the equation is an identity.tan
= -cot x
What will be an ideal response?
tan 
= 
= 
= 
= -cot x.
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Sam starts walking from point A at 1 miles per hour. One-half hour later, Paul starts walking from point A at 1.5 miles per hour and follows the same route. How long will it take Paul to catch up with Sam?
A. 60 minutes B. 65 minutes C. 55 minutes D. 70 minutes
Solve the problem.A piece of molding 150 cm long is to be cut to form a rectangular picture frame. What dimensions will enclose the largest area? Round to the nearest hundredth, if necessary.
A. 37.5 cm × 37.5 cm B. 30 cm × 30 cm C. 12.25 cm × 37.5 cm D. 12.25 cm × 12.25 cm
Create a graph with the given properties.Five even vertices
What will be an ideal response?
Find the standard equation of the ellipse shown in the figure. Identify the coordinates of the vertices, endpoints of the minor axis, and the foci.
A. 
+ 
= 1; V(0, ±4); U(±3, 0); F(±4, 0)
B. 
+ 
= 1; V(0, ±4); U(±3, 0); F(0, ±
)
C. 
+ 
= 1; V(±3, 0); U(0, ±3); F(±5, 0)
D. 
+ 
= 1; V(±4, 0); U(0, ±3); F(±
, 0)