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OpenStudy (anonymous):
tan 2pi/3 square root of three one over square root of three –square root of three 1
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OpenStudy (jdoe0001):
what?
OpenStudy (anonymous):
|dw:1366924114003:dw|As you can see through the drawing, the tangent must be negative, so it is -square root of 3
OpenStudy (anonymous):
Did you understood that? Because some schools don't teach this representation of tangent, at least in Brazil most don't.
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