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OpenStudy (anonymous):
yes?
OpenStudy (anonymous):
baby
OpenStudy (anonymous):
yes?
OpenStudy (anonymous):
let daddy work his magic
OpenStudy (anonymous):
yes, babe?
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OpenStudy (anonymous):
okay, work your magic daddy
OpenStudy (elisaneedshelp):
help me with #8
OpenStudy (anonymous):
so what do you want us to do? there's no question
OpenStudy (elisaneedshelp):
dont you see the attachment picture there
OpenStudy (anonymous):
now I do
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OpenStudy (elisaneedshelp):
plz help me
OpenStudy (anonymous):
do you have paper and pen?
OpenStudy (anonymous):
please don't do this bby
OpenStudy (elisaneedshelp):
OMG i need actual help cuz i have little time left
OpenStudy (anonymous):
Use the trig. Use the SOHCAHTOA
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OpenStudy (elisaneedshelp):
but even with that i dont get this problem
OpenStudy (anonymous):
yeah get pen and paper
OpenStudy (elisaneedshelp):
i have paper and pencil right now help me
OpenStudy (anonymous):
write down
sin (20°) = a/h
OpenStudy (anonymous):
solve for h
\[\frac{ 1 }{ \sin(20°) }=\frac{ h }{ a }\]
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OpenStudy (anonymous):
you know the value of a, plug it in to your calculator
OpenStudy (anonymous):
\[=\frac{ 1*a }{ \sin (20°) } = h \]
OpenStudy (anonymous):
|dw:1394606306808:dw|
OpenStudy (elisaneedshelp):
Wait i didnt get how to plug it into the calculator
OpenStudy (anonymous):
the orientation of the right triangle can rotate and the position of the angle can also change
an example
|dw:1394606359686:dw|
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OpenStudy (anonymous):
NOTICE that the opposite side is always across the angle
and the adjacent side is always next to the angle
and of course as you may already know, the longest side is the hypotenuse
the mnemonic SOH CAH TOA does not mean anything if you don't know how to identify your angle of reference and the corresponding sides.
this is why I took the time to draw and illustrate how to do just that