From the information given find the quadrant in which the te

From the information given, find the quadrant in which the terminal point determined by t lies. Input I. II. III, or IV. (a) sin(t) 0, quadrant (d) sin(t) 0, quadrant

Solution

( a) sin(t) < 0 and cos(t) < 0, quadrant III
(b) sin(t) > 0 and cos(t) < 0, quadrant II
(c) sin(t) > 0 and cos(t) > 0, quadrant I
(d) sin(t) < 0 and cos(t) > 0, quadrant IV

positive function
..Q.II....|......Q.I
..Sine...|..All
______|______
...........|
....Tan..|.Cosine
..Q.III...|..Q IV