Use the fundamental identities to simplify the expression.
+ csc ? sin ?
A. sec2?
B. tan2?
C. 1
D. csc2?
Answer: D
Mathematics
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Solve.x2 = -36
A. ± 6i B. ± 36i C. ± 6 D. ± i
Mathematics
Multiply.
2
A. 49x2 - 2x + 
B. 49x2 - 2x
C. 49x2 - 
D. 49x2 - 
x - 
Mathematics
Graph the inequality.y ? 5x 
A. 
B. 
C. 
D. 
Mathematics
Shown here are graphs of y1 and y2. The point whose coordinates are given at the bottom of the screen lies on the graph of y1. Use this graph, and not your own calculator, to find the value of y2 for the same value of x shown.
A. -32 B. -2 C. -8 D. 2
Mathematics