Evaluate the expressing using a unit circle or state that the quantity is undefined. All angles are in radians.tan 
A. 1
B. 
C. 
D. 
Answer: A
Mathematics
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Solve the problem.Find the moment of inertia about the y-axis of the thin semicircular region of constant density 
bounded by the x-axis and the curve 
.
A. 
?
B. 320?
C. 160?
D. 
?
Mathematics
Find an equation of the secant line containing (1, f(1)) and (2, f(2)).f(x) = 
A. y = 
x + 
B. y = - 
x + 
C. y = 
x + 
D. y = 
x + 
Mathematics
Find the slope of the tangent at 
?
?
A. 19 B. 17 C. 29 D. 7 E. 32
Mathematics
Solve and check.2n2 - 17n + 35 = 0
A. 
, 5
B. 
, -5
C. 
, -5
D. 
, 5
Mathematics