Use the given trigonometric function value of ? to find the requested trigonometric function value of the acute angle ?. Rationalize the denominator where necessary.tan ? = 3
Find cos ?.
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Provide an appropriate response.Evaluate: 20 - 10 ÷ 5 + 23
Fill in the blank(s) with the appropriate word(s).
Mathematics
Identify the rate, base, and portion. What percent of 19 is 8?
A. rate (%) = 8% base (of) = 19 portion (is) = unknown number B. rate (%) = 8% base (of) = unknown number portion (is) = 19 C. rate (%) = unknown number base (of) = 19 portion (is) = 8 D. rate (%) = unknown number base (of) = 8 portion (is) = 19%
Mathematics
Find the volume of the solid of revolution obtained by revolving the region bounded by the graphs of the given functions about the x-axis.
?
and 
What will be an ideal response?
Mathematics
Simplify the rational expression.
A. 
B. 
C. 
D. 
Mathematics