Multiply and simplify any radicals in your answer. Assume that all variables represent positive real numbers.(3x
)(5x
)
A. 105x
B. 90x2
C. 105x2
D. 90x3
Answer: D
Mathematics
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3w 
A. 
B. 
C. 
D. 
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Find all solutions of the equation in the interval [0, 2?).tan 
= 
A. 
B. 
C. 
D. 
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Use a graphing utility to graph the polar equation.r cos ? = 2
A. 
B. 
C. 
D. 
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Use the given information to find the exact value of the trigonometric function.sec ? = 4, ? lies in quadrant I
Find cos 
.
A. 
B. 
C. 
D. 
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