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OpenStudy (anonymous):
Solve the following equation; domain 0x360; 2 cosθ+ 1 = 0 60 120 240 300
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OpenStudy (anonymous):
@hartnn can you help me?
OpenStudy (jack1):
maybe so you range is 0 degrees to 360 degrees yeah?
OpenStudy (jack1):
so 2x (cos theta) +1 = 0? or 2x cos (theta + 1) = 0?
OpenStudy (anonymous):
yes but I dont know how to find the range
OpenStudy (jack1):
no dude, it was a choice: 2x (cos theta) +1 = 0? OR 2x cos (theta + 1) = 0?
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