Find the exact value under the given conditions.Given sin ? = - 
, with ? in quadrant IV, and tan ? = - 
, with ? in quadrant II. Find cos (? + ?).
A. - 
B. 
C. 
D. - 
Answer: B
Mathematics
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Solve the problem.Find the perimeter of the square. 
A. 
cm
B. 
cm
C. 
cm
D. 
cm
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Solve the following systems of linear equations using Gaussian elimination
2x + 3y + z = 10 2x - 3y - 3z = 22 4x - 2y + 3z = -2
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Determine whether the improper integral converges or diverges, and if it converges, find its value. 
Mathematics
Write the digit for the given place value in the whole number.9,644,637hundred thousandstens
A. hundred thousands 9 tens 3 B. hundred thousands 6 tens 4 C. hundred thousands 6 tens 3 D. hundred thousands 4 tens 6
Mathematics