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September 17, 2014

September 17, 2014

Posted by **Jack** on Saturday, September 11, 2010 at 10:54pm.

sec^2(x)= 3*tanx + 1 on [0,radian-180 degrees) - couldnt find the symbol for radian on computer

please try and explain how you got your answer best as yu can thanks so much :)

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