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OpenStudy (karisleft):
Quick question!? Need help! Find sin x/2, cos x/2, and tan x/2 from the given information. cos x = -12/13, 180degrees < x < 270 degrees
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OpenStudy (retireed):
|dw:1478109291353:dw|
OpenStudy (karisleft):
got it, now where would i go from there? how do i turn that graph into an answer
OpenStudy (retireed):
|dw:1478109576749:dw|
OpenStudy (retireed):
Now take x and divide it by 2
OpenStudy (karisleft):
101.3
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OpenStudy (retireed):
x = 101.3 So where approximately is the angle 101.3 on the circle?
OpenStudy (karisleft):
|dw:1478110027968:dw|
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