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sinB = a de cosa cosß = b Hea that Pos (...

sinB = a de cosa cosß = b Hea that Pos (prove that) 4 - tanA= ua (I) sina + sin fal [PU, 50] [P.U. 41] seco sin (Q+B) = 224 42 cos (a – 3) = 2(a2 + b2 - 2) a fea o foto brinA =

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