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OpenStudy (ttop0816):
would it be 30 degrees?? Which of the following angles can be used to evaluate sec120°? 30° 45° 60°
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OpenStudy (anonymous):
sec (180-60) = sec 120 hence 60 degrees would be the answer
OpenStudy (usukidoll):
120 is in quadrant 2... since we didn't reach over 180 degrees which is half a circle... subtract 180 by 120 = 180-120 = 60
OpenStudy (usukidoll):
cos 60 is 1/2 since sec 60 |dw:1392710722529:dw|
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