SOLUTION: Find the quadrant containing the point P on the unit circle U for the given conditions.
sec t > 0 and tan t < 0
csc t > 0 and cot t < 0
cos t < 0 and csc t < 0
QI: all+
QII: sin+, csc+, others -
QIII: tan+, cot+, others -
QIV: cos+, sec+, others -
sec t > 0 and tan t < 0 sec+, tan-, QIV
csc t > 0 and cot t < 0 csc+, cot-, QII
cos t < 0 and csc t < 0 cos-, csc-, QIII
Edwin