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OpenStudy (lgbasallote):
how do i get the value of \(\sin (7\pi /6)\)? i think i should use trig formulas...i dunno
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OpenStudy (amistre64):
pi/6 = 30 degrees
OpenStudy (lgbasallote):
so 30 times 7?
OpenStudy (lgbasallote):
hmm doesnt sound right :/ is it?
OpenStudy (amistre64):
|dw:1336797763989:dw| use the reference angle of 30 degrees and see that the sin value is negative in that quadrant
OpenStudy (lgbasallote):
im not following sorry o.O
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OpenStudy (amistre64):
7*30 = 210 degrees; but thats incidental
OpenStudy (lgbasallote):
incidental?
OpenStudy (amistre64):
your reference angle is the key
OpenStudy (amistre64):
|dw:1336797896742:dw|
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