Find the exact value. sin(-450)
(a) -1
(b) 1
(c) 0
(d) 2
(e) undefined
(a) -1
Mathematics
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Find the vertex, the y-intercept, and the x-intercepts (if any exist), and graph the function.p(x) = 2x2 + 4x + 
A. 
Vertex (-1, 
)
no x-int;
y-int = (0, 
)
B. 
Vertex (1, 
)
no x-int;
y-int = (0, 
)
C. 
Vertex (1, 7)
no x-int;
y-int = (0, 9)
D. 
Vertex (-1, 7)
no x-int;
y-int = (0, 9)
Mathematics
Complete the identity.tan x(cot x - cos x) = ?
A. 0 B. 1 C. - sec2 x D. 1 - sin x
Mathematics
Find the slope and the y-intercept of the given line.y = -4x + 7
A. -4, (0, -7) B. 7, (0, -4) C. -7, (0, -4) D. -4, (0, 7)
Mathematics
Solve the equation.x-2 - x-1 - 30 = 0
A. 
B. {6, -5}
C. {-6, 5}
D. 
Mathematics