Solve the system by graphing. If there is no solution or an infinite number of solutions, so state. Use set notation to express the solution set.
A. infinitely many solutions; {
x = 7} or {
x = -6}
B. {(-6, 7)}
C. no solution; ?
D. {(7, -6)}
Answer: C
Mathematics
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A. 2 cos2 ? B. 0 C. 2 D. 1
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sin 
- cos 
sin 
A. 
B. 
C. 
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A. 3
B. 
C. 28p
D. 
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