Write the expression as the sine, cosine, or tangent of a double angle. Then find the exact value of the expression.2 sin 120° cos 120°
A. - 
B. - 
C. 
D. 
Answer: B
Mathematics
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Perform the indicated operations.(8x + 2) + (2x - 6)
A. 6x2 B. 6x C. 10x - 4 D. 10x2 - 4
Mathematics
Sketch the graph of the function. f(x) = x + 5
 figure 1.png)
 figure 2.png)
Mathematics
Given a = 12, b = 14, and c = 7, use the Law of Cosines to solve the triangle for the value of A. Round your answer to two decimal places. ?
A. 80.44° B. 91.02° C. 58.98° D. 29.99° E. 60.33°
Mathematics
Find the quotient.
A. 4x + 8 + 
B. 4x + 8 + 
C. 4x2 + 8 + 
D. 4x2 + 8 + 
Mathematics