Respuesta :

a. theta = 210 (180 + 30) cos 30 = sqr(3)/2 sin 210 = -1/2
b. theta = 300 (360-60) tan 300 = - sqr(3)
c. sin = 1/2, cos = sqrt(3)/2, tan theta = 1/sqr(3), theta = 30
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