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Mathematics 21 Online
OpenStudy (anonymous):

what is the value of the expression? Do not use a calculater. tan -11pi/6

OpenStudy (aravindg):

tan -11pi/6=-tan 11pi/6 =-tan 2pi-pi/6 =-tan -pi/6 = tan pi/6 =1/root(3)

OpenStudy (luigi0210):

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OpenStudy (luigi0210):

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