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09-08-2021
Mathematics

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Help trigonometry question!

Help trigonometry question class=

Respuesta :

09-08-2021

Answer:

Hello

Step-by-step explanation:

Al' Kashi theorem:

189²=123²+215²-2*123²215²cos(P)

cos(P)=(123²+215²-189²)/(2*123*215)=0.48464...

P=61.01062...°≈61.01°

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