lxcrabtree
lxcrabtree lxcrabtree
  • 22-01-2021
  • Mathematics
contestada

does anyone know how to solve this using the sine rule?

does anyone know how to solve this using the sine rule class=

Respuesta :

zkthetiger
zkthetiger zkthetiger
  • 22-01-2021

Answer:

Step-by-step explanation:

According to sine law of trigonometric functions,

sin(α)/a =sin(β)/b

hence using this

sin(18)/y = sin(x)/2y

sin(x)=2*sin(18)

sin(x)=2*0.309

sin(x)= 0.618

x=sin-1(0.618)     ( sin-1  is sine inverse)

x=38.17 °

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