Find the exact value under the given conditions.sin ? = 
, 
< ? < ?; cos ? = 
, 0 < ? < 
Find sin (? - ?).
A. - 
B. 
C. 
D. 
Answer: B
Mathematics
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Find an equation of the sphere with center (7,-5,7) that touches the xy-plane.
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Find the union of the two sets.{3, 5, 6, 8} ? ?
A. {3, 5} B. {3, 5, 6, 8} C. ? D. {6, 8}
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Find the partial fraction decomposition for the rational expression.
A. 
+ 
B. 
- 
C. 
- 
D. 
- 
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Solve the problem.The chorus has six sopranos and eight baritones. In how many ways can the director choose a quartet that contains at least one soprano?
A. 931 ways B. 1071 ways C. 986 ways D. 1001 ways
Mathematics