Question

Se considera triunghiul dreptunghic ABC, m<∡A) = 90°.


a) Daca BC = 25 cm si sin C = 3  supra 5 calculati AB,AC, cos B tg C.

b) Daca AB = 6 cm, si cos B = 1 supra 2  , caulculati BCm AC sin C , ctg B .

c) Dac AC= 12 cm si Tg C = 1,25, calculati AB,BC, sin B , ctg B.

Answer 1

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