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what is sin of 240 degrees?

 Feb 12, 2021
 #1
avatar+116125 
+2

240°  is a 60°  angle  in the 3rd quadrant...... so......sin  240   =   -sin 60  =  -sqrt (3) /  2

 

 

cool cool cool

 Feb 12, 2021
 #2
avatar+109 
+1

Thank you

vockeyvockvock  Feb 12, 2021

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