Find the value of the indicated trigonometric function of the angle ? in the figure. Give an exact answer with a rational denominator.
Find sin ?.
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Decide whether the statement makes sense. Explain your reasoning.If you have $5, then you will buy a hot dog; and, contrapositively, if you don't have $5, then you won't buy a hot dog. (Hint: focus on whether the word "contrapositively" is used correctly.)
What will be an ideal response?
Mathematics
Find the second derivative of the function.p = 
A. 
= 
+ 
+ 
B. 
= - 
- 
- 
C. 
= 
+ 
+ 
D. 
= - 
- 
- 
Mathematics
Find the slope of the line.
A. -1 B. 1 C. -3 D. 3
Mathematics
Solve.x5 - 25x3 ? 0
A. (-?, -5] ? [5, ?) B. [-5, 0] ? [5, ?) C. (-?, -5] ? [0, 5) D. [-5, ?)
Mathematics