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OpenStudy (anonymous):
Evaluate without using a calculator: tan (330) My answer was (-sqrt 3)/3 Please check my answer...i'm awful at math :/ Thanks! :)
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hartnn (hartnn):
it is correct :) tan 330= tan (360-330)=tan (-30) =-1/sqrt 3 or -(sqrt 3)/3
OpenStudy (anonymous):
thanks so much lol especially for the explanation :)
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