Use the given information to find the exact value of the trigonometric expression.cos ? = 
; The terminal side of ? lies in Quadrant IV.
Find sin 2?.
A. - 
B. 
C. 
D. - 
Answer: D
Mathematics
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Solve the problem.Find the Celsius temperature when the Fahrenheit temperature is 104° F.
A. 
°C
B. 
°C
C. 40 °C
D. 72 °C
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Solve the equation by factoring.49x2 + 84x + 27 = 0
A. 
B. 
C. 
D. 
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Find the root if it is a real number.
A. Not a real number
B. 10,000
C. 
D. 10
Mathematics
Evaluate the expression using the given value of the variables.4x3 + 2x2 - 4x + 6 for x = 1
A. 8 B. -4 C. 16 D. 4
Mathematics