computergeek123
@DoomDude
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DoomDude
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20Sin(70)= 18.79385
DoomDude
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wait... that doesn't seem right
DoomDude
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testingtutor, could you double check that?
computergeek123
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20 cosec 70°
?
DoomDude
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ya, i think that is it
DoomDude
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and turing...
zepp
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The length 'opposite' is 20, what we are looking for is the hypotenuse
DoomDude
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I was not trying to break the CoC, I thought I had explained it....
zepp
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And we know that's a sine.
\[\sin70 = \frac{20}{Hypotenuse}\]
zepp
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Hence,
\[Hypotenuse = \frac{20}{sin70}\]
TuringTest
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|dw:1335992360468:dw|\[\tan\theta=\frac ab\implies b=\frac a{\tan\theta}\]
TuringTest
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and @DoomDude a one-line answer is insufficient here
DoomDude
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so, it has to be more than one line? LAST problem she asked I explaind why you would use sin and not cos ect.. gave her this link
http://www.mathsisfun.com/sine-cosine-tangent.html
and then solved it!
She already had that info for this one...
computergeek123
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I chose A, is it wrong
TuringTest
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^so that is why you need top check the askers understanding before providing the answer
TuringTest
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to check*
DoomDude
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ok... will do next time, i was just a bit shocked that I was breaking a rule...
TuringTest
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it's okay, just please try a little harder to make it so \(they\) give the correct answer, not you
DoomDude
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ok...