sin negative, cosine positive?
sin is negative III, IV
cosine positive I, III
identify the quadrant in which 0 lies.
sin < 0 and sec > 0
4 answers
Sin < 0-----> quadrant 3 and 4
Sec > 0 ---- quadrant 1 and 4
sec = 1/cos
Answer is quadrant 4
Sec > 0 ---- quadrant 1 and 4
sec = 1/cos
Answer is quadrant 4
4/7/206
4/7/2006