AAI ATC Junior Executive 25 Mar 2021 Shift 1 Paper

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Question : 81 of 120

Marks: +1, -0

Which below option is true for fourth quadrant as per above figure?

$(\;{3π }/{2} < x < 2π )$ a is positive and b is negative
$(0 < x < \;{π }/{2})$ a is positive and b is negative
$(\;{π }/{2} < x < π )$ a is positive and b is negative
$(π < x < \;{3π }/{2})$ a is positive and b is negative

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