Find the exact value using a double-angle identity.sin 
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Find an equation for the line tangent to the curve at the point defined by the given value of t.x = t, y = 
, t = 18
A. y = 
x
B. y = - 
x
C. y = - 
x - 3
D. y = 
x + 3
Mathematics
Graph the complex number.6 + 2i
A. 
B. 
C. 
D. 
Mathematics
Solve the inequality. Write the solution set in interval notation and graph it.-30r - 35 ? -5(5r + 11)
A. (-?, 4]
B. (4, ?)
C. [4, ?)
D. (-?, 4)
Mathematics
Find the absolute value.
A. - 
B. 
C. 
D. 2
Mathematics