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Formula
Calculate the value
Answer
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$\dfrac{ \sqrt{ 39 } }{ \sqrt{ 3 } }$
$\sqrt{ 13 }$
Calculate the value
$\color{#FF6800}{ \dfrac { \sqrt{ 39 } } { \sqrt{ 3 } } }$
$ $ Calculate the expression $ $
$\sqrt{ \color{#FF6800}{ 13 } }$
Solution search results
search-thumbnail-PreAP Precalculus 
Fundamental Identities as Formulas 
Use identities to find the value of each expression. 
Find $cosθand$ $cotθ$ 
$ifsinθ=-\dfrac {5} {8}$ and $cosθ>0$ 
$O-\dfrac {5\sqrt{39} } {39}and-\dfrac {8} {5}$ $O\dfrac {\sqrt{39} } {8}and-\dfrac {\sqrt{39} } {5}$ $O-\dfrac {\sqrt{39} } {8}and-\dfrac {8\sqrt{39} } {39}$ $O\dfrac {8} {5}and\dfrac {\sqrt{39} } {5}$
10th-13th grade
Calculus
search-thumbnail-The rationalizing factor of \sqrt{23} is 
$°$ $Options^{°}$ $0$ 
A 24 
23 
C \sqrt{23} 
D None of these
7th-9th grade
Other
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