Suppose an angle ? is drawn in standard position. In each case, use the informat
ID: 2904543 • Letter: S
Question
Suppose an angle ? is drawn in standard position. In each case, use the information to determine what quadrant ? is in. (An angle is in standard position if it is drawn on the xy-plane with its vertex at the origin and its initial side is on the positive x-axis.)
(a) sin(?) > 0 and cos(?) > 0.(Select all that apply.)
Q(I), Q(II), Q(III), Q(IV) ?
(b) cos(?) < 0 and tan(?) < 0. (Select all that apply.)
Q(I), Q(II), Q(III), Q(IV) ?
(c) sec(?) > 0 and csc(?) > 0. (Select all that apply.)
Q(I), Q(II), Q(III), Q(IV) ?
(d) cot(?) < 0 and cos2(?) > 0. (Select all that apply.)
Q(I), Q(II), Q(III), Q(IV) ?
Explanation / Answer
a) sin > 0 , cos > 0
Answer ---> Q - 1
b) cos < 0 and tan < 0
Answer ---> Q - 2
c) sec > 0 and csc > 0
Answer ---> Q - 1
d) cot < 0 and cos^2 > 0
Answer ---> Q-2 and Q-4
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