Use half-angle identities to find the exact value of the expression.sin 22.5°
A. - 
B. - 
C. 
D. 
Answer: D
You might also like to view...
Solve the problem.Kafka Inc. imports hard drives and sells them on the internet. The profit is given by the equation 
where n is the number of hard drives sold. Graph 
for n < 1000. How many hard drives must be sold for the company to break even? Round your answer to the units place, in other words, to the nearest number of hard drives.
A. 67 hard drives B. 45 hard drives C. 51 hard drives D. 47 hard drives
Classify the statement as true or false.10 ? {4, 6, 8, 10}
A. False B. True
Write the equation either in the form (y - k)2 = a(x - h) or (x - h)2 = a(y - k).x2 - 3x + 6 = 2y
A. 
2 = 2
B. 
2 = 2
C. 
2 = 2
D. 
2 = 2
A matrix has an inverse if and only if its determinant does not equal 0. Determine whether the given matrix has an inverse.
A. Yes B. No