Use a double-angle formula to rewrite the expression.
?
?
?
A. ?sin x
B. ??2 sin x
C. ???2 sin 2x
D. ? sin x
E. ? sin 2x
Answer: E
Mathematics
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(a) A reflection. (b) A rotation. (c) A glide reflection. (d) A similitude. (e) All of (a), (b) and (c) are correct. (f) All of (a), (b), (c) and (d) are correct.
Mathematics
Use this graph to answer the question. 
Which month in 2006 had the lowest sales?
A. Month 3 B. Month 6 C. Month 8 D. Month 2
Mathematics
Solve the equation. Use the change of base formula to approximate an exact answer to the nearest hundredth when appropriate.3x = 772
A. x = log 
B. x = log3772
C. x = log 2316
D. x = log3-772
Mathematics
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Mathematics