Using a sum or difference identity, write the following as an expression involving functions of x.sin (360° + x)
A. sin x
B. -cos x
C. 
cos x + 
sin x
D. 
cos x - 
sin x
Answer: A
Mathematics
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Simplify.
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.Write an equation for the tangent line to the curve 
at the point 
A. x + y = 1 B. x - y + 2 = 0 C. y = x - 2 D. y = x + 1
Mathematics
Determine if the function is concave up or concave down in the first quadrant.y = x3/2
A. Concave up B. Concave down
Mathematics
Solve the matrix equation for X.Let A = 
and B = 
;
4X + A = B
A.
X = 
B.
X = 
C.
X = 
D.
X = 
Mathematics