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Please help. I’m never going finish this

Please help. I’m never going finish this-example-1
User Celmaun
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1 Answer

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\cos(H )=\cfrac{\stackrel{adjacent}{3}}{\underset{hypotenuse}{√(73)}} \implies \cos(H)=\cfrac{3}{√(73)}\cdot \cfrac{√(73)}{√(73)} \implies \cos(H)=\cfrac{3√(73)}{73}

User Alexander Solonik
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