Use a common unit right triangle to find the value.cos 60°
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Find all cube roots of the complex number. Leave answers in trigonometric form.-6
- 6i
A. 
cis 70°, 
cis 190°, 
cis 310°
B. 
cis 70°, 
cis 190°, 
cis 310°
C. 
cis 70°, 
cis 190°, 
cis 310°
D. 
cis 80°, 
cis 200°, 
cis 320°
Mathematics
Round as indicated.807 to the nearest ten
A. 910 B. 820 C. 800 D. 810
Mathematics
Construct a truth table to decide if the two statements are equivalent.~q ? p; ~q ? p
A. True B. False
Mathematics
Find the domain of the function.f(x) = 
A. (-?, ?) B. (-?, -5) ? (-5, ?) C. (-?, -5) ? (-5, 1) ? (1, ?) D. (-?, 1) ? (1, ?)
Mathematics