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OpenStudy (znappydooz):
@welshfella
OpenStudy (jacobciezki):
you got a xbox 360
OpenStudy (welshfella):
we know the angle of elevation and the distance on the ground
and we need to find the side opposite the angle
so that's the opposite and adjacent sides of the triangle
so we need the tangent of the angle ( tan = opposite / adjacent)
OpenStudy (jacobciezki):
yea
OpenStudy (welshfella):
so
tan 49 = h / 900
h = 900 tan 49
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OpenStudy (welshfella):
so grab ur calculator and work that out
OpenStudy (jacobciezki):
yea haa
OpenStudy (welshfella):
ok?
OpenStudy (welshfella):
No
what did you get for tan 49 ?
OpenStudy (welshfella):
first find tan 49 - with my calculator you enter tan then 49 but with some you put 49 in first then tan after.
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OpenStudy (welshfella):
tan 45 = 1 so you should get a value a bit higher than 1
OpenStudy (welshfella):
lol thats a long decimal - but its correct
so multiply that by 900 and you'l have ur answer
OpenStudy (znappydooz):
1,035
OpenStudy (welshfella):
yes
OpenStudy (welshfella):
are you famiilar with the aide to memory SOH-CAH-TOA ?
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