Simplify the complex fraction.
A. - 11
B. - 19
C. - 
D. - 
Answer: C
Mathematics
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Find the exact value under the given conditions.sin ? = 
, 
< ? < ?; cos ? = 
, 0 < ? < 
Find sin (? - ?).
A. - 
B. 
C. 
D. 
Mathematics
Simplify the expression. Assume all variables represent positive real numbers.
+ 
A. 7
B. 21
C. 
D. 10.5
Mathematics
List the critical values of the related function. Then solve the inequality.
< 2
A. 17, 6; 
? (6, ?)
B. -6, 17; 
C. -6, 17; (-?, -6) ? 
D. No critical values; ?
Mathematics
Perform the indicated operations and simplify. Assume that all variables represent positive real numbers.
+ 8
+ 8
A. 17
B. 16
C. 73
D. 72
Mathematics