Find the exact value of the expression using the provided information.Find cos(A - B) given that sin A = - 
, with A in quadrant IV, and 
with B in quadrant IV.
A. 
B. 
C. 
D. 
Answer: A
You might also like to view...
Sketch the graph and show all local extrema and inflection points.y = -x4 + 2x2 - 8
A. Local minima: (-1, 7), (1, 7)
Local maximum: (0, 8)
Inflection point: 
, 
B. Local maxima: (-1, -7), (1, -7)
Local minimum: (0, -8)
Inflection points: 
, 
C. Local maxima: (-1, -7), (1, -7)
Inflection points: 
, 
D. Local maxima: (-1, -7), (1, -7)
Local minimum: (0, -8)
No inflection points
Solve the problem.A manufacturer contracts to mint coins for the federal government. How much variation dr in the radius of the coins can be tolerated if the coins are to weigh within 1/50 of their ideal weight? Assume that the thickness does not vary.
A. Variation of 1.0000 cm or less B. Variation of 2.0000% or less C. Variation of 1.0000% or less D. Variation of 0.0100% or less
Simplify by combining pairs of like terms.-28p - 6p2 + 12p - 7p2
A. 16p - 13p2 B. -16p + 13p2 C. -16p - 13p2 D. -40p - 13p2
Simplify. Express the final answer in exponential form.
4
6
A. 
10
B. 
10
C. 
24
D. 
24