catgirl17
find the side labeled x. state your answer correct to five decimal places.



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catgirl17
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dw:1347221080706:dw

dpaInc
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what trig ratio involves the angle 36 degrees and (opposite side) and (adjacent side) ???

dpaInc
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remember the mnemonic SOHCAHTOA......

catgirl17
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@dpaInc tan

hartnn
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yes,its tan
so what is tan 39 ?
use calculator.

catgirl17
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@ hartnn don't you mean 36?

hartnn
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oh yes 36,sorry

catgirl17
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its okay

catgirl17
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.72654

hartnn
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as we know tan 36 = 36/x
so x= 36/ tan 36= 36/ 0.72654 = ??

catgirl17
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where you have the other 36 wouldn't that be a 12?

hartnn
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the opposite side to 36 degree angle is 36, right ??

catgirl17
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shouldn't it be 12

hartnn
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tan 36 = (opposite side)/(adjacent side)
opposite side = 36
adjacent side = x
ok?

depads
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TRY SINE LAW

campbell_st
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dw:1347222303791:dw

hartnn
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wow ! @campbell_st

campbell_st
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well the question says find the side labelled x

depads
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dw:1347222626533:dw

hartnn
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@catgirl17 is the length of opposite side 36 or 12 ??