(cos20+ jsin20)-3(cos50+jsin50)? (cis40) (5e/20)3 Simplify O a. 125(cos1460+ jsin140) O b. 25(cos140+ jsin140) 1 O c. 25(cos140+ jsin140) 1 O d. 125cos140+ jsin140 е. 1 125(cos140+jsin140)

Q: et D=(4,7,9}, E=(4,6,7,8) and F = {3,5,6,7,9}. ist the elements in the set (DUE) NF.

A: Let D={4,7,9} E={4,6,7,8} and F={3,5,6,7,9}.

Q: 2. Let A = {1, 2, 4, 8, 16, 32) and B = {1, 2, 3, 4, 5). Determine the following sets: AnB B\A • Bx…

A:

Q: Which of the following sets are closed? Choose ALL that apply. Show the steps. I. The set of…

A:

Q: Let D = {16,19,21), E = {16,18,19,20) and F = {15,17,18,19,21). List the elements in the set (DUE)…

A: GivenD={16,19,21}E={16,18,19,20}F={15,17,18,19,21}

Q: Determine the mode of the following set of values. (Enter your answers as a comma-separated list. If…

A: Here are two modes of the following set of values.5 and 8 are the modes of the following set of…

Q: Which of the following sets are countable? Mark all that apply. NXN N OR Z

A: From the given options ℕ×ℕ, ℕ, ℤ and ℚ are countable.

Q: 10:32 Let A 3 4 5 6 93 R=12 3 7 8 9 10 X

A:

Q: B AUBNC: Au BNC: 12 6 6 17 13 U How many elements are contained in each of the following sets?

A: From the above venn-diagram, we have  U={6,10,11,12,13,17}. A={6,10,12,17}. B={6,12,17}.…

Q: Q10. The complement of A is the set of all . elements not in Set A True O False O

A:

Q: Let B : and i Then (7)8

A:

Q: Find n(A) for the set. A= {5, 5, 6, 6, 9, 9} O A. n(A) = 10 O B. n(A) = 3 O C. n(A)= 6 O D. n(A) = 5

A: We have to find nA for the set, A=5, 5, 6, 6,.....,9, 9 nA is the number of elements present in the…

Q: Set A = |{ { A, B, }, {5,1 }, {1,3,5 }, { 3}, { 2,3} }|.  How many elements are in this set?

A: We have to find number of elements in set A

Q: Which of the following elements would NOT be an element of {4, 8, 12, . . . } 28? 30? 32? or…

A:

Q: License plates in Oklahoma are of the form A BC123 4, where the first three spaces on the plate can…

A:

Q: Let A = {0, 2, 4, 6}, B = {1, 2, 3, 4, 5}, and C = {1, 3, 5, 7}. Find A n C. ||

A: Given, A = {0,2,4,6} B = {1,2,3,4,5} C = {1,3,5,7}

Q: Let D (2,5,7}, E= (2,4,5,6) andF=(1,3,4,5,7). List the elements in the set (D UE)N F. (DUE)NF = }…

A:

Q: Evaluate for x = 1, 3, 5, 7 Σ 2 χ3

A:

Q: Let A = {H, T}, B = {1, 2, 3, 4, 5, 6, 7), and C = {red, green, blue}. Find the number indicated.…

A: Here A = {H, T}, B = {1, 2, 3, 4, 5, 6, 7}, and C = {red, green, blue}. We find n(B×C).