rmreed21 rmreed21

04-02-2020
Geography

contestada

in triangle ABC of angle A=120 , b=3 a=8 what is B

Respuesta :

alishedd83 alishedd83

04-02-2020

sinA/a = sinB/b

sin120/8 = sinB/3

3sin120 = 8sinB

3sin120/8 = sinB

sin^-1(3sin120/8) = B

B ≈ 18.951

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