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Help trigonometry question!
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Help trigonometry question!

Help trigonometry question!-example-1
User Kobake
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1 Answer

1 vote

Answer:

Hello

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°

User Guilherme Parreira
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3.4k points
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