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| 1. |
{ If cotx }(\operatorname{cot}x-1)+1=0, then the value of cosec }^8x}{-2\operatorname{cosec}^6x+3\operatorname{cosec}^4x-2\operatorname{cosec}^2x+6 is |
| Answer» { If cotx }(\operatorname{cot}x-1)+1=0, then the value of cosec }^8x}{-2\operatorname{cosec}^6x+3\operatorname{cosec}^4x-2\operatorname{cosec}^2x+6 is | |