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OpenStudy (anonymous):
MEDAL If sinx = 5/13 and x is in quadrant 1, then sin(x/2) = ________.
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OpenStudy (anonymous):
A. - √(5/26) B. √(1/26) C. - √(1/26) D. √(5/26)
OpenStudy (goformit100):
Do you want only the answers or the explanitions too ?
OpenStudy (anonymous):
Explanations too please
OpenStudy (anonymous):
@goformit100 Half angle for sine. 1 - cos(x)/2 All under the radical. So I got B.
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