Simplify the expression.
A. cos2 x
B. sin2 x
C. -sin x
D. -cos x
Answer: C
Mathematics
You might also like to view...
The table of values gives two points that lie on a line. Use the points to find the slope and y-intercept of the line. Then use these values to write an equation of the line in slope-intercept form. 
A. y = 
x - 
B. y = 
x - 
C. y = - 
x - 
D. y = - 
x - 
Mathematics
Find the real number solution set of the equation or inequality shown below the graph. y = f(x)
f(x) > 0
A. (1, 5) B. {1, 5} C. (-?, 1) ? (5, ?) D. (-?, ?)
Mathematics
Evaluate the function f(x) = + 3 at f(x-1) and simplify:
a. + 2x - 4 b. - 2x + 4 c. - x + 4 d. - 2x + 4
Mathematics
Give the ordered pairs for the points labeled on the graph.
A. A(-5, 5); B(1, -2) B. A(-5, 0); B(-1, -2) C. A(-5, 0); B(1, -2) D. A(5, 0); B(1, -2)
Mathematics