Evaluate the following expression. (t ? ?/2+?n, where n is a whole number)
?
?
A. - 2 tan t
B. 2 tan t
C. 2 sin t
D. - 2 cot t
E. 2 cot t
Answer: B
Mathematics
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Use Fleury's algorithm to find an Euler circuit for the graph beginning and ending at the indicated vertex. If no Euler circuit exists, state this.Using the following graph, find an Euler circuit that begins and ends with vertex A.
A. A ? B ? D ? C ? E ? D ? A B. A ? B ? D ? E ? C ? A C. A ? D ?B ? A ? C ? E ? D ? C ? A D. No Euler circuit exists.
Mathematics
Graph the system of inequalities. Shade the region that represents the solution set.x2 + y2 < 9 y ? x
A. 
B. 
C. 
D. 
Mathematics
Rationalize the denominator.
A. 
B. 
C. 
- 
D. 
Mathematics
Find a quadratic equation whose solution set is given.
A. 6x2 + 35x + 6 = 0 B. 6x2 + 6x + 35 = 0 C. 6x2 + 35x - 36 = 0 D. 6x2 + 35x + 36 = 0
Mathematics