1174180
1174180
21-05-2017
Mathematics
contestada
Anyone know this answer?
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mreijepatmat
mreijepatmat
21-05-2017
La of sine:
sinC/c = sinB/b==> sin 37°/8 = sin B/12 ==> sin B = 0.903
arcsinB or sin⁻¹ B = 64.5°, & sin (B°) = sin (180° - B°), then
sin(64.5) = sin(180°-64.5°) ==> B = 64.5° or 115.5°
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