Find the exact value by using a half-angle identity.cos 165°
A. 
B. - 
C. 
D. - 
Answer: B
Mathematics
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Use logarithmic differentiation to find the derivative of y.y = 
A. 
(ln(3x + 1) + 2ln(x + 3) - ln(x3 + 6) - ln(x + 7))
B. 5
C. 
+ 
- 
- 
D. 
Mathematics
Solve the problem.Find the force on one side of a cubical container 5.0 cm on an edge if the container is filled with mercury. The density of mercury is 133 kN/m3.
A. 1.7 N B. 8.3 N C. 8300 N D. 330 N
Mathematics
Write the number as a product of prime factors.133
A. 72 × 19 B. 8 × 21 C. 18 × 9 D. 7 × 19
Mathematics
Find the product using the FOIL method.(y - 9)(4 - y)
A. y2 + 5y - 36 B. - y2 + 13y - 36 C. - y2 + 5y - 36 D. y2 + 13y - 36
Mathematics