Divide the denominator by the numerator and if it has the same number than it is called a repeating decimal
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-5,-4,-3,-2,-1,0,1,2
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It should be the second one
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Quadrantal angle is the angle in which its standard position with terminal side of the angle lies on x-axis or y-axis. The few quadrantal angles are and 360° (=2π ). Trigonometric functions of quadrantal angle is depicted in the below figure.
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