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OpenStudy (anonymous):
what is csc240 ?
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OpenStudy (lgbasallote):
do you know the reference angle of 240?
OpenStudy (anonymous):
yes 60 degrees
OpenStudy (lgbasallote):
good! @Callisto will explain more :)
OpenStudy (callisto):
csc240 = -csc60 = -1/sin60\[=-\frac{1}{\frac{\sqrt3}{2}}=?\]
OpenStudy (anonymous):
thank you !
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OpenStudy (callisto):
Welcome~
OpenStudy (lgbasallote):
you know why it's negative right? coz that's normally the confusing part
OpenStudy (callisto):
it's negative as it's in quadrant III
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