glisintull glisintull

09-06-2017
Mathematics

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I think I know how to solve this, but could someone please check my work for me?

I think I know how to solve this but could someone please check my work for me class=

Respuesta :

mreijepatmat mreijepatmat

09-06-2017

answer is :

cos⁻¹[(-1-4√7)/(√17, √8) = 173.33° ≈ 173°

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