Find the exact value of the indicated trigonometric function of ?.tan ? = - 
, 270°< ? < 360°Find cos ?.
A. 8
B. 
C. 
D. 
Answer: C
Mathematics
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Round the number so that there is only one nonzero digit.1218
A. 2000 B. 1000 C. 1200 D. 1220
Mathematics
Find the equation of the line that contains the point (6, –26) and has slope –5.
Mathematics
Solve the absolute value equation.|2x + 9| + 8 = 14
A. ?
B. 
C. 
D. 
Mathematics
Use a calculator to find an approximation for the power. Round the answer to seven decimal places if necessary.6.6-
A. 0.0000121 B. -690.22639 C. 0.0014488 D. 0.8544854
Mathematics