If (cos x)/(1 + cosec x) + (cos x)/(cosec x - 1)= 2which one of the following is one of the values of x ? -Maths 9th

If (cos x)/(1 + cosec x) + (cos x)/(cosec x - 1)= 2which one of the following is one of the values of x ? -Maths 9th
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