bluebirds1970 bluebirds1970

06-02-2020
Mathematics

contestada

I need to determine sin B.

I need to determine sin B class=

Respuesta :

ohiekulous ohiekulous

06-02-2020

Answer:

SinB = Sin30 = 0.5

Step-by-step explanation:

Ok lets use sine rule

a/SinA = b/SinB = c/SinC

a/Sin60 = b/SinB = 12/Sin90

b/Sin30 = 12/Sin90

b = (12 × Sin30) ÷ Sin90

b = (12 × 0.5) ÷ 1

b = 6cm

SinB = Sin30 = 0.5

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