Use the given information to find the exact value of the trigonometric expression.tan ? = 
; ? < ? < 
Find cos(2?).
A. 
B. - 
C. 
D. - 
Answer: C
Mathematics
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Find the mass of the wire that lies along the curve r and has density ?.C1: r(t) = (5 cos t)i + (5 sin t)j, 0 ? t ? 
;C2: r(t) = 5j + tk, 0 ? t ? 1; ? = 7t5
A. 
units
B. 
units
C. 
?5 units
D. 
?5 units
Mathematics
Evaluate the expression.
A. 
B. 
C. 
D. 
Mathematics
Complete the table of values for the given equation.6x + y = -18; 
A. 
B. 
C. 
D. 
Mathematics
Find the x- and y-intercepts of the graph.
A. (-4, 0), (0, -5) B. (-5, 0), (0, 4) C. (4, 0), (0, -5) D. (4, 0), (0, 5)
Mathematics