Use the even-odd properties to find the exact value of the expression. Do not use a calculator.cot 
A. -
B. 1
C. -1
D. - 
Answer: C
Mathematics
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Find the limit of the sequence if it converges; otherwise indicate divergence.an = (-1)n 
A. 0 B. 1 C. 8 D. Diverges
Mathematics
Provide an appropriate response.Find the difference in the area of a circle circumscribed about a square with sides of 10 cm and the area of the circle inscribed inside the same square. 
A. 2.36 cm2 B. 4.71 cm2 C. 3.14 cm2 D. 78.54 cm2
Mathematics
Find the most general antiderivative.
dy
A. 6 sin-1 y - ln |y| + C
B. 
- 
+ C
C. 6 sin-1 y + 7 ln |y| + C
D. 6 sin-1 y - 7 ln |y| + C
Mathematics
Use the discriminant to determine the number of real solutions.x2 + 3x - 7 = 0
A. One real solution B. No real solutions C. Two real solutions
Mathematics