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December 7, 2016

Homework Help: PRE-CAL

Posted by MELEK on Monday, February 27, 2012 at 10:05pm.

How can I solve this questions and get those answers????
answers
sec 13pi/4=? =>-ã(2)
csc 13pi/4=? =>-ã(2)
sec (-pi/6)=? =>2ã(3)/3

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