Rewrite the trigonometric expression as an algebraic expression involving the variable u. Assume that 
and that the value of the "inner" inverse trigonometric expression represents an angle ? such that 
tan (sin-1 u)
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Graph the polar equation.r = 2 cos2 ? sin ?
A. 
B. 
C. 
D. 
Mathematics
Write the decimal using numbers.two and twelve thousandths
A. 2.0012 B. 2.012 C. 2.12 D. 212
Mathematics
Place the correct symbol, < or >, in the blank between the decimals. -31.06 
-31.3
A. > B. <
Mathematics
Use a graphing calculator to solve the equation. Round to two decimal places.9x = 5.7
A. 3.82 B. 0.79 C. -0.46 D. 0.54
Mathematics