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OpenStudy (sbuck98):
OpenStudy (aveline):
Sin is equal to opposite over hypotenuse. Can you draw the triangle with these new values?
OpenStudy (sbuck98):
No:/
OpenStudy (aveline):
|dw:1460570982058:dw|
OpenStudy (aveline):
We know that sine is the opposite over the hypotenuse. That means the opposite side is 5 and the hypotenuse is 13.
Can you find the remaining side?
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OpenStudy (aveline):
@sbuck98
OpenStudy (sbuck98):
1.666
OpenStudy (sbuck98):
@Aveline
OpenStudy (aveline):
Remember, to find the sides, we use a^2+b^2=c^2
a^2+5^2=13^2
OpenStudy (sbuck98):
wait:/ I'm lost
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OpenStudy (sbuck98):
@Aveline
OpenStudy (aveline):
Ok. The hypotenuse is 13. 13 squared equals 169.
We know one of the sides is 5. 5 square equals 25. We subtract:
169-25=144
12 squared equals 144. We know that the missing side is equal to 12.
OpenStudy (aveline):
|dw:1460571623456:dw|
OpenStudy (anonymous):
I would just guess C:/
OpenStudy (sbuck98):
I was thinking C too! @Aveline
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OpenStudy (anonymous):
you mean miraclemnation ? @sbuck98
OpenStudy (sbuck98):
Both of you!
OpenStudy (aveline):
It's not C
OpenStudy (anonymous):
oh
OpenStudy (aveline):
Cos x = adjacent/hypotenuse
The adjacent side is 12, and the hypotenuse is 13.
That means that C and D are not the answers
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