Use a right triangle to simplify.sin (arccos x)
A. 
B. x
C. 
D. 
Answer: C
Mathematics
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Identify the correspondence.The two triangles shown below are congruent. List the vertices corresponding to A, B ,and C in order. 
A. X, Y and Z B. Y,X and Z C. Z, X and Y D. Y, Z and X
Mathematics
Use the given graph to find the x-intercepts.
A. -4, 7 B. 4, 7 C. -4, -7 D. -7, 4
Mathematics
List the symmetries of the given function, if there are any. Otherwise, state "No symmetry".f(x) = 4x2 + 2
A. Origin B. y-axis C. x-axis D. No symmetry
Mathematics
Simplify.
A. 1
B. 
C. 
D. 12
Mathematics