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Musya8 [376]
2 years ago
5

Please Help! In which of the following intervals does the trigonometric inequality sec(x)

Mathematics
1 answer:
timofeeve [1]2 years ago
3 0

Step-by-step explanation:

sec(x) = 1/cos(x)

cot(x) = cos(x)/sin(x)

sec is smaller than cot, if cos is negative (making sec negative) and sin is negative (making cot positive).

and that is true for the third quadrant.

which is pi < x < 3×pi/2

so, the third answer is right.

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