Liz was on vacation when her wallet was stolen. By the time she reported her 3 credit cards missing, the criminal had charged ov
2 answers:
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Given:
and
.
To find:
The quadrant.
Solution:
We know that,
In I quadrant, all trigonometric ratios are positive.
In II quadrant, only are positive and others are negative.
In III quadrant, only are positive and others are negative.
In IV quadrant, only are positive and others are negative.
We have,
and
.
Here, is positive and
is negative. So,
lies in the III quadrant.
Therefore, the correct option is C, i.e., III.