Use trigonometric identities to find the exact value.
A. - 
B. - 
C. -2
D. - 
Answer: D
Mathematics
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Evaluate the integral.
A. 
+ 2
B. 
- 
C. ln 
- 
D. 
+ 
Mathematics
Simplify.
A. 
B. 
C. 
D. 
Mathematics
Combine like terms.6xy - 4xy + 2
A. 2xy + 2 B. 4xy C. 2xy D. 10xy + 2
Mathematics
Compute 
(h ? 0) for the given function.f(x) = 4x2 + 9x
A. 8x + 4h + 9 B. 8x2 + 4h + 9x C. 8x + 9 D. 12x - 6h + 18
Mathematics