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Let \theta be an acute angle.  If \cos \theta = \frac{1}{3}, then what is \sin \theta?

 Jan 1, 2024
 #1
avatar+129690 
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cos (theta) =  1/3

 

sin (theta)  =   sqrt [ 3^2 - 1^2 ] / 3  =  sqrt (8)  / 3

 

 

cool cool cool

 Jan 1, 2024

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