Use the fundamental identities to simplify the expression.cot ? sec ? sin ?
A. csc2?
B. 1
C. tan2?
D. sec2?
Answer: B
Mathematics
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Graph the circle. State the center and radius of the circle.(x - 3)2 + y2 = 9
A. center (-3, 0); r = 3
B. center (0, 3); r = 3
C. center (3, 0); r = 3
D. center (0, -3); r = 3
Mathematics
Evaluate the integral.
A. 2
+ C
B. 2
+ C
C. 2
+ C
D. 2
+ C
Mathematics
The double-line graph shows temperature highs and lows for a week. 
On what day of the week was the difference between the high temperature and the low temperature the greatest? What was this difference in temperature?
Fill in the blank(s) with the appropriate word(s).
Mathematics
Solve by using the quadratic formula:
A) No real number solution
B) –7, –1
C) –12, –4
D) –7, –9
E) –6, –4
Mathematics