Write the fraction in simplest form using the method of your choice.
A. 
B. 
C. 
D. 
Answer: B
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?Which of the following best defines the concept of the Least Common Multiple of two or more numbers? ?
A. ?The sum of all the factors of two or more numbers. B. ?The union of all the common prime factors and non-common prime factors of two or more numbers. C. ?LCM(a,b) = c means a divides c or b divides c. D. ?LCM(a,b,c) = d means d divides a, d divides b, and d divides c. E. ?LCM(a,b,c) = d means a divides d, b divides d, and c divides d. F. ?b and e
Use the half-angle formulas to simplify the given expression.
A. 
cos 2x
B. 3 cos 2x
C. 6 cos 2x
D. 3
cos 2x
Write the product as a sum or difference containing only sines or cosines.sin(4?) cos(5?)
A. 
[cos(9?) + sin ?]
B. sin cos(20?2)
C. 
[cos(9?) - cos ?]
D. 
[sin(9?) - sin ?]
Plot the complex number in the complex plane.z = 5 + i
A. 
B. 
C. 
D. 