??Evaluate the indicated function for 
and 
.
?
?
?
A. 30
B. 
C. 
D. 
E. 
Answer: A
Mathematics
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Verify the identity.cos 
= -sin x
What will be an ideal response?
Mathematics
Factor completely.16p2(r + 7)3 + 40pq(r + 7)3 + 25q2(r + 7)3
A. (r + 7)3(4p + 5q)2 B. (r + 7)3(4p - 5q)2 C. (r + 7)3(4p + 5q)(4p - 5q) D. (r + 7)3(4p + q)2
Mathematics
Find the standard equation of the hyperbola.Foci at (0, ±6), a conjugate axis with length 4
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
Mathematics
Translate the verbal expression into an equation and solve for x.The result of subtracting 3 from an integer is 12.
A. x - 3 = 12; x = 15 B. 3 - x = 12; x = 15 C. x - 12 = 3; x = 15 D. x + 3 = 15; x = 12
Mathematics