Add.130 + 7,551
A. 7,581
B. 6,681
C. 7,681
D. 7,691
Answer: C
Mathematics
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Solve the problem.Use the fact that tan-1 x = 
for |x| < 1 to find the series for cot-1 x.
A. 
B. 
C. 
- 
D. 
- 
Mathematics
Find the reference angle for ?. ? = -81°
A. 81° B. 171° C. -81° D. 126°
Mathematics
Solve. Round to the nearest hundredth if necessary.4% of what number is 24?
A. 60 B. 6000 C. 600 D. 96
Mathematics
Express the product as a sum containing only sines or cosines.sin 
cos 
A. 
[cos(12?) - sin(10?)]
B. 
[sin(6?) - sin(5?)]
C. 
[cos(6?) + sin(5?)]
D. 
sin cos(11?)
Mathematics