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18-06-2018
Mathematics

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using the unit circle determine the sine cosine and the tangent functions of the angle -pi/6

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Аноним Аноним

18-06-2018

This angle is in the 4th segment so only the cosine is positive

cos pi/6 = sqrt3/2 os cos -pi/6 = sqrt3/2 also

sin -pi/6 = -0.5

tan -pi/6 = -1 / sqrt3 = - sqrt3/3

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