karkiamiks02
karkiamiks02 karkiamiks02
  • 11-12-2020
  • Mathematics
contestada

1. If A+B+C=180
prove that.
cosA/sinBsinC + cosB/sinCsinA + cosC/sinAsinB =2
HELP PLEASE ​

Respuesta :

Sueraiuka
Sueraiuka Sueraiuka
  • 11-12-2020

Step-by-step explanation:

Hey there!

Look explanation in picture.

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