cos-¹(6-3x)/4 + cosec-¹ (x-1)/2 find domain

Let y = cos-16-3x4+cosec-1x-12Now these two are defined at , -16-3x41  xR-46-3x4 xR-10-3x-2 xR23x103 xRSo finaly 23x103 is the domain

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