Use periodic properties of the trigonometric functions to find the exact value of the expression.cot 
A. 
B. 1
C. 
D. -1
Answer: B
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Provide an appropriate response.How many real solutions are possible for a system of equations whose graphs are a line and a circle?
A. 0, 1, or 2 solutions B. 0, 1, 2, or 3 solutions C. 1, 2, or 3 solutions D. 1 or 2 solutions
For the given pair of similar triangles, name the corresponding side or angle in the other triangle. 
A. 
B. 
C. 
D. Cannot be determined
Find all degree solutions for the equation
?
in the interval 
.
?
A. 33.9°, 146.1°, 213.9°, 326.1° B. 34.1°, 145.9°, 214.1°, 325.9° C. 33.7°, 146.3° D. 33.9°, 146.1° E. 33.7°, 146.3°, 213.7°, 326.3°
Solve the problem.You have 84 feet of fencing to enclose a rectangular region. What is the maximum area?
A. 1764 sq ft B. 437 sq ft C. 441 sq ft D. 7056 sq ft