simuliquid
simuliquid simuliquid
  • 22-02-2021
  • Mathematics
contestada

Please help me with trigonometry and law of sines I’m being timed and really need the help

Please help me with trigonometry and law of sines Im being timed and really need the help class=

Respuesta :

adela17
adela17 adela17
  • 22-02-2021

Step-by-step explanation:

cosA = AC² + BC²- AB² / 2 • AC • BC

cos A = 13.5²+23.9²-12.7²/2• 13.5 • 23.9

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