Use an identity to write the expression as a single trigonometric function or as a single number.2 sin 8° cos 8°
A. sin 16°
B. sin 4°
C. cos 16°
D. cos24°
Answer: A
Mathematics
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Solve the quadratic equation and express all nonreal complex solutions in terms of i.4x2 + 9 = 5x
A. 
B. 
C. 
D. 
Mathematics
Complete.6 wk = ___ hr
A. 1008 B. 6 C. 144 D. 42
Mathematics
Write the ratio as a fraction in lowest terms. Be sure to make all necessary conversions.8 minutes to 5 hours
A. 96
B. 
C. 
D. 
Mathematics
Find any numbers for which the rational expression is undefined.
A. x = 5
B. x = 
, x = - 
C. x = 20
D. none
Mathematics