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What is the answer for question 9) ? http://postimg.org/image/yzcviz60z/
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`rArr theta` =arctan(-7/24)= (180-16.3) degrees and (360-16.3) degrees (Note that tantheta will be negative in the second quadrant and the fourth quadrant)
= 163.7 degrees and 343.7 degrees
Posted by llltkl on July 24, 2013 at 1:32 AM (Answer #1)
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