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Mathematics 16 Online
OpenStudy (anonymous):

How deep is the mine shaft? 10/sin 30 10 tan 30° 10/tan30 10 cos 30°

OpenStudy (anonymous):

OpenStudy (anonymous):

I have a feeling its tan(30) 10

OpenStudy (nurali):

tan 30 = opposite side / adjacent = x / 10 x = 10 tan 30

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