csc = 1/sin and sin is positive in Q1 and Q2.
sec = 1/cos and cos is positive in Q1 and Q4
so Q1 is where both are positive (>0).
many thanks good sir
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Answers & Comments
csc = 1/sin and sin is positive in Q1 and Q2.
sec = 1/cos and cos is positive in Q1 and Q4
so Q1 is where both are positive (>0).
many thanks good sir