Use the given information to find the exact value of the trigonometric function.sin ? = - 
,
? lies in quadrant IV
Find sin 
.
A. 
B. - 
C. - 
D. 
Answer: D
Mathematics
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Use Gaussian elimination to solve the linear system by finding an equivalent system in triangular form.
A. (0, 3, 0) B. no solution C. (0, 3, -3) D. (0, 0, 3)
Mathematics
Use the given information to find the exact value of the trigonometric expression.tan ? = 
; ? < ? < 
Find tan(2?).
A. - 
B. - 
C. 
D. 
Mathematics
Solve the problem. Round your answer to the nearest tenth unless indicated otherwise.Runners in a 22 km race run how many miles?
A. 35.4 mi B. 23.3 mi C. 11.0 mi D. 13.6 mi
Mathematics
Express as a single logarithm.ln 
- ln 
+ ln (x2 - 18x + 81), x > 0
A. ln 
B. ln 
C. ln 
D. ln 
Mathematics