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Help trigonometry question!

Help trigonometry question!
asked 8.6k views
1 vote
Help trigonometry question!

Help trigonometry question!-example-1
asked
User Kobake
by
8.3k points

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°

answered
User Guilherme Parreira
by
7.8k points
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