Use the trigonometric substitution to rewrite the algebraic expression as a trigonometric function of ?, where 
.
?
A. 4 tan ?
B. 16 sec ?
C. - 4 tan ?
D. 4 sec ?
E. 16 tan ?
Answer: A
Mathematics
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?
?
A. 
B. ?
C. ?
D. ?
E. ?
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A. y = 2x + 3 B. y = 2x - 3 C. y = -3x - 2 D. y = -3x + 2
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Graph the polar equation.r = 2 sin ?
A. 
B. 
C. 
D. 
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