Use the fundamental identities to find the value of the trigonometric function.Find cot ? if tan ? = 
and ? is in quadrant III.
A. 
B. 
C. - 
D. - 
Answer: A
Mathematics
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Find the specified minor and cofactor for the matrix A.M33 and A33 if A = 
A. M33 = 10 and A33 = 10 B. M33 = 10 and A33 = -10 C. M33 = -10 and A33 = 10 D. M33 = -10 and A33 = -10
Mathematics
Use the data to complete the table.The following is the number of hours students studied per week on average. 
A. Frequency: 2, 5, 5, 4, 4 B. Frequency: 2, 5, 4, 5, 4 C. Frequency: 2, 5, 5, 3, 5 D. Frequency: 2, 4, 6, 4, 4
Mathematics
Solve the system of equations by Gauss-Jordan elimination.
A. {(30, 20, -10)} B. {(20, 10, 0)} C. {(15, 5, 5)} D. ?
Mathematics
Multiply or divide as indicated.
÷ 
A. 
B. 
C. 
D. 
Mathematics