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

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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