Posted by Nathan on Sunday, May 22, 2011 at 5:37pm.
How do I name the quadrand in which angle thada may lie if sec thada > 0 and tan thada > 0?

trig  Henry, Sunday, May 22, 2011 at 7:57pm
sec(theta)>0 in Q1, and Q4.
tan(theta)>0 Q1,and Q3.
Theta lies in Q1, because it satisfies both conditions.
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