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Find angle PQR, to one decimal place.

 

 Aug 6, 2020
 #1
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sine PQR  =  opposite / hypotenuse

 

sine PQR  =  12 / 13  

 

sine PQR  =  0.92307   

 

sine–1 (0.92307)  =  67.38o  =  correct to 1 decimal place is 67.4o     

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 Aug 6, 2020

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