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23-03-2021
Mathematics

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Law of sines problem, please help. solving for x

Law of sines problem please help solving for x class=

Respuesta :

23-03-2021

Answer:

x = 62.9° (3 sig. fig.)

Step-by-step explanation:

Simply by using the cos law,

cosx = (1.3² + 2.1² - 1.9²)/2(1.3)(2.1)

x = 62.9° (3 sig. fig.)

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