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OpenStudy (anonymous):
sin((1/2)arccos(3/5))
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zepdrix (zepdrix):
Hey there! Welcome to OpenStudy.\[\Large\rm \sin\left[\frac{1}{2}\arccos\frac{3}{5}\right]\]Hmm ok let's see how we should approach this....
zepdrix (zepdrix):
|dw:1403568141545:dw|
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